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			32 KiB
		
	
	
	
		
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			816 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | 
 | ||
|  | 
 | ||
|  | dnl Process this file with autoconf to produce a configure script. | ||
|  | 
 | ||
|  | dnl Define the fftw version number as M4 macros, so that we can enforce | ||
|  | dnl the invariant that the minor version number in FFTW-X.Y.MINOR is the same | ||
|  | dnl as the revision number in SHARED_VERSION_INFO. | ||
|  | define(FFTW_MAJOR_VERSION, 3.3)dnl | ||
|  | define(FFTW_MINOR_VERSION, 10)dnl | ||
|  | 
 | ||
|  | dnl Version number of the FFTW source package. | ||
|  | AC_INIT(fftw, FFTW_MAJOR_VERSION.FFTW_MINOR_VERSION, fftw@fftw.org) | ||
|  | AC_CONFIG_SRCDIR(kernel/ifftw.h) | ||
|  | 
 | ||
|  | dnl Version number for libtool shared libraries.  Libtool wants a string | ||
|  | dnl of the form CURRENT:REVISION:AGE.  We adopt the convention that | ||
|  | dnl REVISION is the same as the FFTW minor version number. | ||
|  | dnl fftw-3.1.x was 4:x:1 | ||
|  | dnl fftw-3.2.x was 5:x:2 | ||
|  | dnl fftw-3.3.x was 6:x:3 for x < 4 | ||
|  | dnl fftw-3.3.4 was 7:x:4 | ||
|  | dnl fftw-3.3.5 was 8:x:5 (added planner hooks) | ||
|  | dnl fftw-3.3.6 was 8:x:6 (8:x:6 is a bug, should have been 8:x:5.  No API changes) | ||
|  | dnl fftw-3.3.6.1 fixes the 8:x:6 screwup | ||
|  | dnl fftw-3.3.7 was 8:x:5 (No API changes) | ||
|  | dnl fftw-3.3.8 was 8:x:5 (No API changes) | ||
|  | dnl fftw-3.3.9 was 9:x:6 (added threads callback) | ||
|  | dnl fftw-3.3.10 was 9:x:6 (No API changes) | ||
|  | SHARED_VERSION_INFO="9:FFTW_MINOR_VERSION:6" # CURRENT:REVISION:AGE | ||
|  | 
 | ||
|  | AM_INIT_AUTOMAKE(1.7) | ||
|  | AM_CONFIG_HEADER(config.h) | ||
|  | AC_CONFIG_MACRO_DIR([m4]) | ||
|  | AM_MAINTAINER_MODE | ||
|  | AC_SUBST(SHARED_VERSION_INFO) | ||
|  | AC_DISABLE_SHARED dnl to hell with shared libraries | ||
|  | AC_CANONICAL_HOST | ||
|  | 
 | ||
|  | dnl configure options | ||
|  | case "${host_cpu}" in | ||
|  |   powerpc*) arch_prefers_fma=yes;; | ||
|  |   ia64*) arch_prefers_fma=yes;; | ||
|  |   hppa*) arch_prefers_fma=yes;; | ||
|  |   mips64*) arch_prefers_fma=yes;; | ||
|  |   *) arch_prefers_fma=no;; | ||
|  | esac | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(debug, [AC_HELP_STRING([--enable-debug],[compile fftw with extra runtime checks for debugging])], ok=$enableval, ok=no) | ||
|  | if test "$ok" = "yes"; then | ||
|  |     AC_DEFINE(FFTW_DEBUG,1,[Define to enable extra FFTW debugging code.]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(doc, [AC_HELP_STRING([--disable-doc],[disable building the documentation])], build_doc=$enableval, build_doc=yes) | ||
|  | AM_CONDITIONAL(BUILD_DOC, test x"$build_doc" = xyes) | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(random-estimator, [AC_HELP_STRING([--enable-random-estimator],[enable pseudorandom estimator (debugging hack)])], ok=$enableval, ok=no) | ||
|  | if test "$ok" = "yes"; then | ||
|  |     AC_DEFINE(FFTW_RANDOM_ESTIMATOR,1,[Define to enable pseudorandom estimate planning for debugging.]) | ||
|  |     CHECK_PL_OPTS="--estimate" | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(alloca, [AC_HELP_STRING([--disable-alloca],[disable use of the alloca() function (may be broken on mingw64)])], ok=$enableval, ok=yes) | ||
|  | if test "$ok" = "yes"; then | ||
|  |     AC_DEFINE(FFTW_ENABLE_ALLOCA,1,[Define to enable the use of alloca().]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(single, [AC_HELP_STRING([--enable-single],[compile fftw in single precision])], ok=$enableval, ok=no) | ||
|  | AC_ARG_ENABLE(float, [AC_HELP_STRING([--enable-float],[synonym for --enable-single])], ok=$enableval) | ||
|  | if test "$ok" = "yes"; then | ||
|  |     AC_DEFINE(FFTW_SINGLE,1,[Define to compile in single precision.]) | ||
|  |     AC_DEFINE(BENCHFFT_SINGLE,1,[Define to compile in single precision.]) | ||
|  |     PRECISION=s | ||
|  | else | ||
|  |     PRECISION=d | ||
|  | fi | ||
|  | AM_CONDITIONAL(SINGLE, test "$ok" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(long-double, [AC_HELP_STRING([--enable-long-double],[compile fftw in long-double precision])], ok=$enableval, ok=no) | ||
|  | if test "$ok" = "yes"; then | ||
|  |     if test "$PRECISION" = "s"; then | ||
|  |         AC_MSG_ERROR([--enable-single/--enable-long-double conflict]) | ||
|  |     fi | ||
|  |     AC_DEFINE(FFTW_LDOUBLE,1,[Define to compile in long-double precision.]) | ||
|  |     AC_DEFINE(BENCHFFT_LDOUBLE,1,[Define to compile in long-double precision.]) | ||
|  |     PRECISION=l | ||
|  | fi | ||
|  | AM_CONDITIONAL(LDOUBLE, test "$ok" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(quad-precision, [AC_HELP_STRING([--enable-quad-precision],[compile fftw in quadruple precision if available])], ok=$enableval, ok=no) | ||
|  | if test "$ok" = "yes"; then | ||
|  |     if test "$PRECISION" != "d"; then | ||
|  |         AC_MSG_ERROR([conflicting precisions specified]) | ||
|  |     fi | ||
|  |     AC_DEFINE(FFTW_QUAD,1,[Define to compile in quad precision.]) | ||
|  |     AC_DEFINE(BENCHFFT_QUAD,1,[Define to compile in quad precision.]) | ||
|  |     PRECISION=q | ||
|  | fi | ||
|  | AM_CONDITIONAL(QUAD, test "$ok" = "yes") | ||
|  | 
 | ||
|  | AC_SUBST(PRECISION) | ||
|  | AC_SUBST(CHECK_PL_OPTS) | ||
|  | 
 | ||
|  | dnl SSE/SSE2 theory: | ||
|  | dnl | ||
|  | dnl Historically, you had to supply --enable-sse in single precision and --enable-sse2 | ||
|  | dnl in double precision. | ||
|  | dnl | ||
|  | dnl This behavior is pointless in 2016.  --enable-sse2 now works in both precisions, | ||
|  | dnl and is interpreted as --enable-sse in single precision.  The old flag --enable--se | ||
|  | dnl is still supported in single-precision only. | ||
|  | AC_ARG_ENABLE(sse, [AC_HELP_STRING([--enable-sse],[enable SSE optimizations])], have_sse=$enableval, have_sse=no) | ||
|  | if test "$have_sse" = "yes"; then | ||
|  |     if test "$PRECISION" != "s"; then | ||
|  |             AC_MSG_ERROR([SSE requires single precision]) | ||
|  |     fi | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(sse2, [AC_HELP_STRING([--enable-sse2],[enable SSE/SSE2 optimizations])], have_sse2=$enableval, have_sse2=no) | ||
|  | if test "$have_sse" = "yes"; then have_sse2=yes; fi | ||
|  | if test "$have_sse2" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_SSE2,1,[Define to enable SSE/SSE2 optimizations.]) | ||
|  |     if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then | ||
|  |             AC_MSG_ERROR([SSE2 requires single or double precision]) | ||
|  |     fi | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_SSE2, test "$have_sse2" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(avx, [AC_HELP_STRING([--enable-avx],[enable AVX optimizations])], have_avx=$enableval, have_avx=no) | ||
|  | if test "$have_avx" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_AVX,1,[Define to enable AVX optimizations.]) | ||
|  |     if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then | ||
|  |         AC_MSG_ERROR([AVX requires single or double precision]) | ||
|  |     fi | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_AVX, test "$have_avx" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(avx2, [AC_HELP_STRING([--enable-avx2],[enable AVX2 optimizations])], have_avx2=$enableval, have_avx2=no) | ||
|  | if test "$have_avx2" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_AVX2,1,[Define to enable AVX2 optimizations.]) | ||
|  |     if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then | ||
|  |         AC_MSG_ERROR([AVX2 requires single or double precision]) | ||
|  |     fi | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_AVX2, test "$have_avx2" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(avx512, [AC_HELP_STRING([--enable-avx512],[enable AVX512 optimizations])], have_avx512=$enableval, have_avx512=no) | ||
|  | if test "$have_avx512" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_AVX512,1,[Define to enable AVX512 optimizations.]) | ||
|  |     if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then | ||
|  |         AC_MSG_ERROR([AVX512 requires single or double precision]) | ||
|  |     fi | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_AVX512, test "$have_avx512" = "yes") | ||
|  | 
 | ||
|  | dnl 128-bit AVX is special. There is no reason to use it on Intel processors | ||
|  | dnl since SSE2 is just as fast. However, on AMD processors we can both use | ||
|  | dnl FMA4, and 128-bit SIMD is better than 256-bit since core pairs in a | ||
|  | dnl compute unit can execute two 128-bit instructions independently. | ||
|  | AC_ARG_ENABLE(avx-128-fma, [AC_HELP_STRING([--enable-avx-128-fma],[enable AVX128/FMA optimizations])], have_avx_128_fma=$enableval, have_avx_128_fma=no) | ||
|  | if test "$have_avx_128_fma" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_AVX_128_FMA,1,[Define to enable 128-bit FMA AVX optimization]) | ||
|  |     AVX_128_FMA_CFLAGS="${AVX_CFLAGS} -mfma4" | ||
|  |     AC_SUBST(AVX_128_FMA_CFLAGS) | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_AVX_128_FMA, test "$have_avx_128_fma" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(kcvi, [AC_HELP_STRING([--enable-kcvi],[enable Knights Corner vector instructions optimizations])], have_kcvi=$enableval, have_kcvi=no) | ||
|  | if test "$have_kcvi" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_KCVI,1,[Define to enable KCVI optimizations.]) | ||
|  |     if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then | ||
|  |         AC_MSG_ERROR([Knights Corner vector instructions requires single or double precision]) | ||
|  |     fi | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_KCVI, test "$have_kcvi" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(altivec, [AC_HELP_STRING([--enable-altivec],[enable Altivec optimizations])], have_altivec=$enableval, have_altivec=no) | ||
|  | if test "$have_altivec" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_ALTIVEC,1,[Define to enable Altivec optimizations.]) | ||
|  |     if test "$PRECISION" != "s"; then | ||
|  |         AC_MSG_ERROR([Altivec requires single precision]) | ||
|  |     fi | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_ALTIVEC, test "$have_altivec" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(vsx, [AC_HELP_STRING([--enable-vsx],[enable IBM VSX optimizations])], have_vsx=$enableval, have_vsx=no) | ||
|  | if test "$have_vsx" = "yes"; then | ||
|  |         AC_DEFINE(HAVE_VSX,1,[Define to enable IBM VSX optimizations.]) | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_VSX, test "$have_vsx" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(neon, [AC_HELP_STRING([--enable-neon],[enable ARM NEON optimizations])], have_neon=$enableval, have_neon=no) | ||
|  | if test "$have_neon" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_NEON,1,[Define to enable ARM NEON optimizations.]) | ||
|  |         case "${host_cpu}" in | ||
|  |                 aarch64) | ||
|  |                 ;; | ||
|  |                 *) | ||
|  |         if test "$PRECISION" != "s"; then | ||
|  |             AC_MSG_ERROR([NEON requires single precision]) | ||
|  |         fi | ||
|  |                 ;; | ||
|  |         esac | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_NEON, test "$have_neon" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(armv8-pmccntr-el0, [AC_HELP_STRING([--enable-armv8-pmccntr-el0],[enable the cycle counter on ARMv8 via the PMCCNTR_EL0 register (see README-perfcounters for details and mandatory instructions)])], have_armv8pmccntrel0=$enableval) | ||
|  | if test "$have_armv8pmccntrel0"x = "yes"x; then | ||
|  |     AC_DEFINE(HAVE_ARMV8_PMCCNTR_EL0,1,[Define if you have enabled the PMCCNTR_EL0 cycle counter on ARMv8]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(armv8-cntvct-el0, [AC_HELP_STRING([--enable-armv8-cntvct-el0],[enable the cycle counter on ARMv8 via the CNTVCT_EL0 register (see README-perfcounters for details and mandatory instructions)])], have_armv8cntvctel0=$enableval) | ||
|  | if test "$have_armv8cntvctel0"x = "yes"x; then | ||
|  |     AC_DEFINE(HAVE_ARMV8_CNTVCT_EL0,1,[Define if you have enabled the CNTVCT_EL0 cycle counter on ARMv8]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(armv7a-cntvct, [AC_HELP_STRING([--enable-armv7a-cntvct],[enable the cycle counter on Armv7a via the CNTVCT register (see README-perfcounters for details and mandatory instructions)])], have_armv7acntvct=$enableval) | ||
|  | if test "$have_armv7acntvct"x = "yes"x; then | ||
|  |     AC_DEFINE(HAVE_ARMV7A_CNTVCT,1,[Define if you have enabled the CNTVCT cycle counter on ARMv7a]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(armv7a-pmccntr, [AC_HELP_STRING([--enable-armv7a-pmccntr],[enable the cycle counter on Armv7a via the PMCCNTR register (see README-perfcounters for details and mandatory instructions)])], have_armv7apmccntr=$enableval) | ||
|  | if test "$have_armv7apmccntr"x = "yes"x; then | ||
|  |     AC_DEFINE(HAVE_ARMV7A_PMCCNTR,1,[Define if you have enabled the PMCCNTR cycle counter on ARMv7a]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(generic-simd128, [AC_HELP_STRING([--enable-generic-simd128],[enable generic (gcc) 128-bit SIMD optimizations])], have_generic_simd128=$enableval, have_generic_simd128=no) | ||
|  | if test "$have_generic_simd128" = "yes"; then | ||
|  |         AC_DEFINE(HAVE_GENERIC_SIMD128,1,[Define to enable generic (gcc) 128-bit SIMD optimizations.]) | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_GENERIC_SIMD128, test "$have_generic_simd128" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(generic-simd256, [AC_HELP_STRING([--enable-generic-simd256],[enable generic (gcc) 256-bit SIMD optimizations])], have_generic_simd256=$enableval, have_generic_simd256=no) | ||
|  | if test "$have_generic_simd256" = "yes"; then | ||
|  |         AC_DEFINE(HAVE_GENERIC_SIMD256,1,[Define to enable generic (gcc) 256-bit SIMD optimizations.]) | ||
|  | fi | ||
|  | AM_CONDITIONAL(HAVE_GENERIC_SIMD256, test "$have_generic_simd256" = "yes") | ||
|  | 
 | ||
|  | 
 | ||
|  | dnl FIXME: | ||
|  | dnl AC_ARG_ENABLE(mips-ps, [AC_HELP_STRING([--enable-mips-ps],[enable MIPS pair-single optimizations])], have_mips_ps=$enableval, have_mips_ps=no) | ||
|  | dnl if test "$have_mips_ps" = "yes"; then | ||
|  | dnl 	AC_DEFINE(HAVE_MIPS_PS,1,[Define to enable MIPS paired-single optimizations.]) | ||
|  | dnl 	if test "$PRECISION" != "s"; then | ||
|  | dnl 		AC_MSG_ERROR([MIPS paired-single requires single precision]) | ||
|  | dnl 	fi | ||
|  | dnl fi | ||
|  | dnl AM_CONDITIONAL(HAVE_MIPS_PS, test "$have_mips_ps" = "yes") | ||
|  | 
 | ||
|  | AC_ARG_WITH(slow-timer, [AC_HELP_STRING([--with-slow-timer],[use low-precision timers (SLOW)])], with_slow_timer=$withval, with_slow_timer=no) | ||
|  | if test "$with_slow_timer" = "yes"; then | ||
|  |     AC_DEFINE(WITH_SLOW_TIMER,1,[Use low-precision timers, making planner very slow]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(mips_zbus_timer, [AC_HELP_STRING([--enable-mips-zbus-timer],[use MIPS ZBus cycle-counter])], have_mips_zbus_timer=$enableval, have_mips_zbus_timer=no) | ||
|  | if test "$have_mips_zbus_timer" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_MIPS_ZBUS_TIMER,1,[Define to enable use of MIPS ZBus cycle-counter.]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_WITH(our-malloc, [AC_HELP_STRING([--with-our-malloc],[use our aligned malloc (helpful for Win32)])], with_our_malloc=$withval, with_our_malloc=no) | ||
|  | AC_ARG_WITH(our-malloc16, [AC_HELP_STRING([--with-our-malloc16],[Obsolete alias for --with-our-malloc16])], with_our_malloc=$withval) | ||
|  | if test "$with_our_malloc" = "yes"; then | ||
|  |     AC_DEFINE(WITH_OUR_MALLOC,1,[Use our own aligned malloc routine; mainly helpful for Windows systems lacking aligned allocation system-library routines.]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_WITH(windows-f77-mangling, [AC_HELP_STRING([--with-windows-f77-mangling],[use common Win32 Fortran interface styles])], with_windows_f77_mangling=$withval, with_windows_f77_mangling=no) | ||
|  | if test "$with_windows_f77_mangling" = "yes"; then | ||
|  |     AC_DEFINE(WINDOWS_F77_MANGLING,1,[Use common Windows Fortran mangling styles for the Fortran interfaces.]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_WITH(incoming-stack-boundary, [AC_HELP_STRING([--with-incoming-stack-boundary=X],[Assume that stack is aligned to (1<<X) bytes])], with_incoming_stack_boundary=$withval, with_incoming_stack_boundary=no) | ||
|  | 
 | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(fma, [AC_HELP_STRING([--enable-fma],[enable if the machine architecture "naturally" prefers fused multiply-add instructions])], arch_prefers_fma=$enableval) | ||
|  | if test "$arch_prefers_fma"x = "yes"x; then | ||
|  |         AC_DEFINE(ARCH_PREFERS_FMA,1,[Define if the machine architecture "naturally" prefers fused multiply-add instructions]) | ||
|  | fi | ||
|  | 
 | ||
|  | dnl compute library suffix | ||
|  | case "$PRECISION" in | ||
|  |      s) PREC_SUFFIX=f;; | ||
|  |      d) PREC_SUFFIX=;; | ||
|  |      l) PREC_SUFFIX=l;; | ||
|  |      q) PREC_SUFFIX=q;; | ||
|  | esac | ||
|  | AC_SUBST(PREC_SUFFIX) | ||
|  | 
 | ||
|  | dnl Checks for programs. | ||
|  | AC_PROG_CC | ||
|  | AM_PROG_CC_C_O | ||
|  | AX_COMPILER_VENDOR | ||
|  | AC_PROG_CC_STDC | ||
|  | AC_PROG_INSTALL | ||
|  | AC_PROG_LN_S | ||
|  | AC_PROG_MAKE_SET | ||
|  | AC_LIBTOOL_WIN32_DLL | ||
|  | AC_PROG_LIBTOOL | ||
|  | AC_PROG_RANLIB | ||
|  | 
 | ||
|  | AC_CHECK_PROG(OCAMLBUILD, ocamlbuild, ocamlbuild) | ||
|  | 
 | ||
|  | dnl ----------------------------------------------------------------------- | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(mpi, [AC_HELP_STRING([--enable-mpi],[compile FFTW MPI library])], enable_mpi=$enableval, enable_mpi=no) | ||
|  | 
 | ||
|  | if test "$enable_mpi" = "yes"; then | ||
|  |    if test $PRECISION = q; then | ||
|  |       AC_MSG_ERROR([quad precision is not supported in MPI]) | ||
|  |    fi | ||
|  |    ACX_MPI([],[AC_MSG_ERROR([could not find mpi library for --enable-mpi])]) | ||
|  |    AC_CHECK_PROG(MPIRUN, mpirun, mpirun) | ||
|  |    AC_SUBST(MPIRUN) | ||
|  | 
 | ||
|  |    save_CC=$CC | ||
|  |    CC=$MPICC | ||
|  |    AC_CHECK_SIZEOF(MPI_Fint, [], [#include <mpi.h>]) | ||
|  |    CC=$save_CC | ||
|  |    if test 0 = $ac_cv_sizeof_MPI_Fint; then | ||
|  |       AC_MSG_WARN([sizeof(MPI_Fint) test failed]); | ||
|  |       dnl As a backup, assume Fortran integer == C int | ||
|  |       AC_CHECK_SIZEOF(int) | ||
|  |       if test 0 = $ac_cv_sizeof_int; then AC_MSG_ERROR([sizeof(int) test failed]); fi | ||
|  |       ac_cv_sizeof_MPI_Fint=$ac_cv_sizeof_int | ||
|  |    fi | ||
|  |    C_MPI_FINT=C_INT`expr $ac_cv_sizeof_MPI_Fint \* 8`_T | ||
|  |    AC_SUBST(C_MPI_FINT) | ||
|  | fi | ||
|  | AM_CONDITIONAL(MPI, test "$enable_mpi" = "yes") | ||
|  | 
 | ||
|  | dnl ----------------------------------------------------------------------- | ||
|  | 
 | ||
|  | dnl determine CFLAGS first | ||
|  | AX_CC_MAXOPT | ||
|  | 
 | ||
|  | case "${ax_cv_c_compiler_vendor}" in | ||
|  |    hp) # must (sometimes) manually increase cpp limits to handle fftw3.h | ||
|  |         AX_CHECK_COMPILER_FLAGS([-Wp,-H128000], | ||
|  |                         [CC="$CC -Wp,-H128000"]) | ||
|  |         ;; | ||
|  | 
 | ||
|  |    portland) # -Masmkeyword required for asm("") cycle counters | ||
|  |         AX_CHECK_COMPILER_FLAGS([-Masmkeyword], | ||
|  |                                 [CC="$CC -Masmkeyword"]) | ||
|  |         ;; | ||
|  | esac | ||
|  | 
 | ||
|  | dnl Determine SIMD CFLAGS at least for gcc and icc | ||
|  | case "${ax_cv_c_compiler_vendor}" in | ||
|  |     gnu|intel) | ||
|  |         # SSE/SSE2 | ||
|  |         if test "$have_sse2" = "yes" -a "x$SSE2_CFLAGS" = x; then | ||
|  |             if test "$PRECISION" = d; then flag=msse2; else flag=msse; fi | ||
|  |             AX_CHECK_COMPILER_FLAGS(-$flag, [SSE2_CFLAGS="-$flag"], | ||
|  |             [AC_MSG_ERROR([Need a version of gcc with -$flag])]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         # AVX | ||
|  |         if test "$have_avx" = "yes" -a "x$AVX_CFLAGS" = x; then | ||
|  |             AX_CHECK_COMPILER_FLAGS(-mavx, [AVX_CFLAGS="-mavx"], | ||
|  |             [AC_MSG_ERROR([Need a version of gcc with -mavx])]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         # AVX2 | ||
|  |         if test "$have_avx2" = "yes" -a "x$AVX2_CFLAGS" = x; then | ||
|  |             AX_CHECK_COMPILER_FLAGS(-mavx2, [AVX2_CFLAGS="-mavx2"], | ||
|  |                 [AC_MSG_ERROR([Need a version of gcc with -mavx2])]) | ||
|  |             AX_CHECK_COMPILER_FLAGS(-mfma, [AVX2_CFLAGS="$AVX2_CFLAGS -mfma"], | ||
|  |                 [AC_MSG_WARN([Need a version of gcc with -mfma (harmless for icc)])]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         # AVX512 | ||
|  |         if test "$have_avx512" = "yes" -a "x$AVX512_CFLAGS" = x; then | ||
|  |             AX_CHECK_COMPILER_FLAGS(-mavx512f, [AVX512_CFLAGS="-mavx512f"], | ||
|  |             [AC_MSG_ERROR([Need a version of gcc with -mavx512f])]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         if test "$host_vendor" = "apple"; then | ||
|  |             # We need to tell gcc to use an external assembler to get AVX/AVX2 with gcc on OS X | ||
|  |             AX_CHECK_COMPILER_FLAGS([-Wa,-q], [CFLAGS="$CFLAGS -Wa,-q"]) | ||
|  |             # Disable the new compact unwinding format so we avoid warnings/potential errors. | ||
|  |             AX_CHECK_COMPILER_FLAGS([-Wl,-no_compact_unwind], [CFLAGS="$CFLAGS -Wl,-no_compact_unwind"]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         # KCVI | ||
|  |         if test "$have_kcvi" = "yes" -a "x$KCVI_CFLAGS" = x; then | ||
|  |             AX_CHECK_COMPILER_FLAGS(-mmic, [KCVI_CFLAGS="-mmic"], | ||
|  |             [AC_MSG_ERROR([Need a version of icc with -mmic])]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         if test "$have_altivec" = "yes" -a "x$ALTIVEC_CFLAGS" = x; then | ||
|  |             # -DFAKE__VEC__ is a workaround because gcc-3.3 does not | ||
|  |             # #define __VEC__ with -maltivec. | ||
|  |             AX_CHECK_COMPILER_FLAGS(-faltivec, [ALTIVEC_CFLAGS="-faltivec"], | ||
|  |             [AX_CHECK_COMPILER_FLAGS(-maltivec -mabi=altivec, | ||
|  |                 [ALTIVEC_CFLAGS="-maltivec -mabi=altivec -DFAKE__VEC__"], | ||
|  |                 [AX_CHECK_COMPILER_FLAGS(-fvec, [ALTIVEC_CFLAGS="-fvec"], | ||
|  |                 [AC_MSG_ERROR([Need a version of gcc with -maltivec])])])]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         case "${host_cpu}" in | ||
|  |             aarch64) | ||
|  |                 ;; | ||
|  |             *) | ||
|  |                 if test "$have_neon" = "yes" -a "x$NEON_CFLAGS" = x; then | ||
|  |                     AX_CHECK_COMPILER_FLAGS(-mfpu=neon, [NEON_CFLAGS="-mfpu=neon"], | ||
|  |                 [AC_MSG_ERROR([Need a version of gcc with -mfpu=neon])]) | ||
|  |                 fi | ||
|  |                 ;; | ||
|  |         esac | ||
|  | 
 | ||
|  |         if test "$have_vsx" = "yes" -a "x$VSX_CFLAGS" = x; then | ||
|  |             AX_CHECK_COMPILER_FLAGS(-mvsx, [VSX_CFLAGS="-mvsx"], | ||
|  |                 [AC_MSG_ERROR([Need a version of gcc with -mvsx])]) | ||
|  |         fi | ||
|  | 
 | ||
|  |     dnl FIXME: | ||
|  |     dnl elif test "$have_mips_ps" = "yes"; then | ||
|  |     dnl     # Just punt here and use only new 4.2 compiler :( | ||
|  |     dnl 	# Should add section for older compilers... | ||
|  |     dnl 	AX_CHECK_COMPILER_FLAGS(-mpaired-single, | ||
|  |     dnl 	    [SIMD_CFLAGS="-mpaired-single"], | ||
|  |     dnl 	    #[AC_MSG_ERROR([Need a version of gcc with -mpaired-single])]) | ||
|  |     dnl 	    [AX_CHECK_COMPILER_FLAGS(-march=mips64, | ||
|  |     dnl 	      [SIMD_CFLAGS="-march=mips64"], | ||
|  |     dnl 	        [AC_MSG_ERROR( | ||
|  |     dnl 		 [Need a version of gcc with -mpaired-single or -march=mips64]) | ||
|  |     dnl 		])]) | ||
|  |     dnl fi | ||
|  |     ;; | ||
|  | 
 | ||
|  |     clang) | ||
|  | 
 | ||
|  |         if test "$have_avx" = "yes" -a "x$AVX_CFLAGS" = x; then | ||
|  |             AX_CHECK_COMPILER_FLAGS(-mavx, [AVX_CFLAGS="-mavx"], | ||
|  |                 [AC_MSG_ERROR([Need a version of clang with -mavx])]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         if test "$have_avx2" = "yes" -a "x$AVX2_CFLAGS" = x; then | ||
|  |                 AX_CHECK_COMPILER_FLAGS(-mavx2, [AVX2_CFLAGS="-mavx2"], | ||
|  |                     [AC_MSG_ERROR([Need a version of clang with -mavx2])]) | ||
|  |                 AX_CHECK_COMPILER_FLAGS(-mfma, [AVX2_CFLAGS="$AVX2_CFLAGS -mfma"]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         # AVX512 | ||
|  |         if test "$have_avx512" = "yes" -a "x$AVX512_CFLAGS" = x; then | ||
|  |             AX_CHECK_COMPILER_FLAGS(-mavx512f, [AVX512_CFLAGS="-mavx512f"], | ||
|  |             [AC_MSG_ERROR([Need a version of clang with -mavx512f])]) | ||
|  |         fi | ||
|  | 
 | ||
|  |         if test "$have_vsx" = "yes" -a "x$VSX_CFLAGS" = x; then | ||
|  |             # clang appears to need both -mvsx and -maltivec for VSX | ||
|  |             AX_CHECK_COMPILER_FLAGS(-maltivec, [VSX_CFLAGS="-maltivec"], | ||
|  |                 [AC_MSG_ERROR([Need a version of gcc with -maltivec])]) | ||
|  |             AX_CHECK_COMPILER_FLAGS(-mvsx, [VSX_CFLAGS="-mvsx $VSX_CFLAGS"], | ||
|  |                 [AC_MSG_ERROR([Need a version of gcc with -mvsx])]) | ||
|  |         fi | ||
|  |         ;; | ||
|  | 
 | ||
|  |     ibm) | ||
|  |         if test "$have_vsx" = "yes" -a "x$VSX_CFLAGS" = x; then | ||
|  |             # Note that IBM xlC uses -qaltivec for VSX too. | ||
|  |             AX_CHECK_COMPILER_FLAGS(-qaltivec, [VSX_CFLAGS="-qaltivec"], | ||
|  |                 [AC_MSG_ERROR([Need a version of gcc with -qaltivec])]) | ||
|  |         fi | ||
|  |         ;; | ||
|  | esac | ||
|  | 
 | ||
|  | AC_SUBST(SSE2_CFLAGS) | ||
|  | AC_SUBST(AVX_CFLAGS) | ||
|  | AC_SUBST(AVX2_CFLAGS) | ||
|  | AC_SUBST(AVX512_CFLAGS) | ||
|  | AC_SUBST(KCVI_CFLAGS) | ||
|  | AC_SUBST(ALTIVEC_CFLAGS) | ||
|  | AC_SUBST(VSX_CFLAGS) | ||
|  | AC_SUBST(NEON_CFLAGS) | ||
|  | 
 | ||
|  | dnl add stack alignment CFLAGS if so requested | ||
|  | if test "$with_incoming_stack_boundary"x != "no"x; then | ||
|  |    case "${ax_cv_c_compiler_vendor}" in | ||
|  |       gnu) | ||
|  |         tentative_flags="-mincoming-stack-boundary=$with_incoming_stack_boundary"; | ||
|  |         AX_CHECK_COMPILER_FLAGS($tentative_flags, | ||
|  |               [STACK_ALIGN_CFLAGS=$tentative_flags]) | ||
|  |       ;; | ||
|  |    esac | ||
|  | fi | ||
|  | AC_SUBST(STACK_ALIGN_CFLAGS) | ||
|  | 
 | ||
|  | dnl Checks for header files. | ||
|  | AC_HEADER_STDC | ||
|  | AC_CHECK_HEADERS([fcntl.h fenv.h limits.h malloc.h stddef.h sys/time.h]) | ||
|  | dnl c_asm.h: Header file for enabling asm() on Digital Unix | ||
|  | dnl intrinsics.h: cray unicos | ||
|  | dnl sys/sysctl.h: MacOS X altivec detection | ||
|  | 
 | ||
|  | dnl altivec.h requires $ALTIVEC_CFLAGS (we use this for VSX too, which uses the same header) | ||
|  | save_CFLAGS="$CFLAGS" | ||
|  | save_CPPFLAGS="$CPPFLAGS" | ||
|  | CFLAGS="$CFLAGS $ALTIVEC_CFLAGS $VSX_CFLAGS" | ||
|  | CPPFLAGS="$CPPFLAGS $ALTIVEC_CFLAGS $VSX_CFLAGS" | ||
|  | AC_CHECK_HEADERS([altivec.h]) | ||
|  | CFLAGS="$save_CFLAGS" | ||
|  | CPPFLAGS="$save_CPPFLAGS" | ||
|  | 
 | ||
|  | dnl Checks for typedefs, structures, and compiler characteristics. | ||
|  | AC_C_CONST | ||
|  | AC_C_INLINE | ||
|  | AC_TYPE_SIZE_T | ||
|  | AC_TYPE_UINT32_T | ||
|  | AC_TYPE_UINT64_T | ||
|  | AC_HEADER_TIME | ||
|  | AC_CHECK_TYPE([long double], | ||
|  |               [AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define to 1 if the compiler supports `long double'])], | ||
|  | [ | ||
|  | if test $PRECISION = l; then | ||
|  |     AC_MSG_ERROR([long double is not a supported type with your compiler.]) | ||
|  | fi | ||
|  | ]) | ||
|  | AC_CHECK_TYPE([hrtime_t],[AC_DEFINE(HAVE_HRTIME_T, 1, [Define to 1 if hrtime_t is defined in <sys/time.h>])],, | ||
|  | [ | ||
|  | #if HAVE_SYS_TIME_H | ||
|  | #include <sys/time.h> | ||
|  | #endif | ||
|  | ]) | ||
|  | 
 | ||
|  | AC_CHECK_SIZEOF(int) | ||
|  | AC_CHECK_SIZEOF(unsigned int) | ||
|  | AC_CHECK_SIZEOF(long) | ||
|  | AC_CHECK_SIZEOF(unsigned long) | ||
|  | AC_CHECK_SIZEOF(long long) | ||
|  | AC_CHECK_SIZEOF(unsigned long long) | ||
|  | AC_CHECK_SIZEOF(size_t) | ||
|  | AC_CHECK_SIZEOF(ptrdiff_t) | ||
|  | 
 | ||
|  | AC_CHECK_TYPES([ptrdiff_t]) | ||
|  | AC_CHECK_TYPES(uintptr_t, [], [AC_CHECK_SIZEOF(void *)], [$ac_includes_default | ||
|  | #ifdef HAVE_STDINT_H | ||
|  | #  include <stdint.h> | ||
|  | #endif]) | ||
|  | 
 | ||
|  | AC_CHECK_SIZEOF(float) | ||
|  | AC_CHECK_SIZEOF(double) | ||
|  | 
 | ||
|  | dnl Check sizeof fftw_r2r_kind for Fortran interface [it has == sizeof(int) | ||
|  | dnl for years, but being paranoid].  Note: the definition here must match | ||
|  | dnl the one in api/fftw3.h! | ||
|  | AC_CHECK_SIZEOF(fftw_r2r_kind, [], [typedef enum { | ||
|  |      FFTW_R2HC=0, FFTW_HC2R=1, FFTW_DHT=2, | ||
|  |      FFTW_REDFT00=3, FFTW_REDFT01=4, FFTW_REDFT10=5, FFTW_REDFT11=6, | ||
|  |      FFTW_RODFT00=7, FFTW_RODFT01=8, FFTW_RODFT10=9, FFTW_RODFT11=10 | ||
|  | } fftw_r2r_kind;]) | ||
|  | if test 0 = $ac_cv_sizeof_fftw_r2r_kind; then AC_MSG_ERROR([sizeof(fftw_r2r_kind) test failed]); fi | ||
|  | C_FFTW_R2R_KIND=C_INT`expr $ac_cv_sizeof_fftw_r2r_kind \* 8`_T | ||
|  | AC_SUBST(C_FFTW_R2R_KIND) | ||
|  | 
 | ||
|  | dnl Checks for library functions. | ||
|  | AC_FUNC_ALLOCA | ||
|  | AC_FUNC_STRTOD | ||
|  | AC_FUNC_VPRINTF | ||
|  | AC_CHECK_LIB(m, sin) | ||
|  | 
 | ||
|  | if test $PRECISION = q; then | ||
|  |    AX_GCC_VERSION(4,6,0,[],[AC_MSG_ERROR([gcc 4.6 or later required for quad precision support])]) | ||
|  |    AC_CHECK_LIB(quadmath, sinq, [], [AC_MSG_ERROR([quad precision requires libquadmath for quad-precision trigonometric routines])]) | ||
|  |    LIBQUADMATH=-lquadmath | ||
|  | fi | ||
|  | AC_SUBST(LIBQUADMATH) | ||
|  | 
 | ||
|  | AC_CHECK_FUNCS([BSDgettimeofday gettimeofday gethrtime read_real_time time_base_to_time drand48 sqrt memset posix_memalign memalign _mm_malloc _mm_free clock_gettime mach_absolute_time sysctl abort sinl cosl snprintf memmove strchr getpagesize]) | ||
|  | AC_CHECK_DECLS([sinl, cosl, sinq, cosq],,,[#include <math.h>]) | ||
|  | AC_CHECK_DECLS([memalign],,,[ | ||
|  | #ifdef HAVE_MALLOC_H | ||
|  | #include <malloc.h> | ||
|  | #endif]) | ||
|  | AC_CHECK_DECLS([drand48, srand48, posix_memalign]) dnl in stdlib.h | ||
|  | 
 | ||
|  | dnl Cray UNICOS _rtc() (real-time clock) intrinsic | ||
|  | AC_MSG_CHECKING([for _rtc intrinsic]) | ||
|  | rtc_ok=yes | ||
|  | AC_TRY_LINK([#ifdef HAVE_INTRINSICS_H | ||
|  | #include <intrinsics.h> | ||
|  | #endif], [_rtc()], [AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])], [rtc_ok=no]) | ||
|  | AC_MSG_RESULT($rtc_ok) | ||
|  | 
 | ||
|  | if test "$PRECISION" = "l"; then | ||
|  |     AC_CHECK_FUNCS([cosl sinl tanl], [], [AC_MSG_ERROR([long-double precision requires long-double trigonometric routines])]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_MSG_CHECKING([for isnan]) | ||
|  | AC_TRY_LINK([#include <math.h> | ||
|  | ], if (!isnan(3.14159)) isnan(2.7183);, ok=yes, ok=no) | ||
|  | if test "$ok" = "yes"; then | ||
|  |     AC_DEFINE(HAVE_ISNAN,1,[Define if the isnan() function/macro is available.]) | ||
|  | fi | ||
|  | AC_MSG_RESULT(${ok}) | ||
|  | 
 | ||
|  | dnl TODO | ||
|  | AX_GCC_ALIGNS_STACK() | ||
|  | 
 | ||
|  | dnl override CFLAGS selection when debugging | ||
|  | if test "${enable_debug}" = "yes"; then | ||
|  |     CFLAGS="-g" | ||
|  | fi | ||
|  | 
 | ||
|  | dnl add gcc warnings, in debug/maintainer mode only | ||
|  | if test "$enable_debug" = yes || test "$USE_MAINTAINER_MODE" = yes; then | ||
|  | if test "$ac_test_CFLAGS" != "set"; then | ||
|  |     if test $ac_cv_prog_gcc = yes; then | ||
|  |         CFLAGS="$CFLAGS -Wall -W -Wcast-qual -Wpointer-arith -Wcast-align -pedantic -Wno-long-long -Wshadow -Wbad-function-cast -Wwrite-strings -Wstrict-prototypes -Wredundant-decls -Wnested-externs" # -Wundef -Wconversion -Wmissing-prototypes -Wmissing-declarations | ||
|  |     fi | ||
|  | fi | ||
|  | fi | ||
|  | 
 | ||
|  | dnl check for a proper indent in maintainer mode | ||
|  | if test "$USE_MAINTAINER_MODE" = yes; then | ||
|  |     AC_PATH_PROG(INDENT, indent, indent) | ||
|  |     # if INDENT is set to 'indent' then we didn't find indent | ||
|  |     if test "$INDENT" != indent ; then | ||
|  |         AC_MSG_CHECKING(if $INDENT is GNU indent) | ||
|  |         if $INDENT --version 2>/dev/null | head -n 1|grep "GNU indent" > /dev/null ; then | ||
|  |                 AC_MSG_RESULT(yes) | ||
|  |                 INDENT="$INDENT -kr -cs -i5 -l800 -fca -nfc1 -sc -sob -cli4 -TR -Tplanner -TV" | ||
|  |         else | ||
|  |                 AC_MSG_RESULT(no) | ||
|  |                 AC_MSG_WARN($INDENT does not appear to be GNU indent.) | ||
|  |         fi | ||
|  |     else | ||
|  |         AC_MSG_WARN(no indent program found: codelets will be ugly) | ||
|  |         INDENT=cat | ||
|  |     fi | ||
|  | fi | ||
|  | 
 | ||
|  | dnl ----------------------------------------------------------------------- | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(fortran, [AC_HELP_STRING([--disable-fortran],[don't include Fortran-callable wrappers])], enable_fortran=$enableval, enable_fortran=yes) | ||
|  | 
 | ||
|  | if test "$enable_fortran" = "yes"; then | ||
|  |     AC_PROG_F77 | ||
|  |     if test -z "$F77"; then | ||
|  |         enable_fortran=no | ||
|  |         AC_MSG_WARN([*** Couldn't find f77 compiler; using default Fortran wrappers.]) | ||
|  |     else | ||
|  |         AC_F77_DUMMY_MAIN([], [enable_fortran=no | ||
|  |         AC_MSG_WARN([*** Couldn't figure out how to link C and Fortran; using default Fortran wrappers.])]) | ||
|  |     fi | ||
|  | else | ||
|  |     AC_DEFINE([DISABLE_FORTRAN], 1, [Define to disable Fortran wrappers.]) | ||
|  | fi | ||
|  | 
 | ||
|  | if test "x$enable_fortran" = xyes; then | ||
|  |     AC_F77_WRAPPERS | ||
|  |     AC_F77_FUNC(f77foo) | ||
|  |     AC_F77_FUNC(f77_foo) | ||
|  |     f77_foo2=`echo $f77foo | sed 's/77/77_/'` | ||
|  |     if test "$f77_foo" = "$f77_foo2"; then | ||
|  |         AC_DEFINE(F77_FUNC_EQUIV, 1, [Define if F77_FUNC and F77_FUNC_ are equivalent.]) | ||
|  | 
 | ||
|  |         # Include g77 wrappers by default for GNU systems or gfortran | ||
|  |         with_g77_wrappers=$ac_cv_f77_compiler_gnu | ||
|  |         case $host_os in *gnu*) with_g77_wrappers=yes ;; esac | ||
|  |     fi | ||
|  | else | ||
|  |     with_g77_wrappers=no | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_WITH(g77-wrappers, [AC_HELP_STRING([--with-g77-wrappers],[force inclusion of g77-compatible wrappers in addition to any other Fortran compiler that is detected])], with_g77_wrappers=$withval) | ||
|  | if test "x$with_g77_wrappers" = "xyes"; then | ||
|  |     AC_DEFINE(WITH_G77_WRAPPERS,1,[Include g77-compatible wrappers in addition to any other Fortran wrappers.]) | ||
|  | fi | ||
|  | 
 | ||
|  | dnl ----------------------------------------------------------------------- | ||
|  | have_smp="no" | ||
|  | AC_ARG_ENABLE(openmp, [AC_HELP_STRING([--enable-openmp],[use OpenMP directives for parallelism])], enable_openmp=$enableval, enable_openmp=no) | ||
|  | 
 | ||
|  | if test "$enable_openmp" = "yes"; then | ||
|  |    AC_DEFINE(HAVE_OPENMP,1,[Define to enable OpenMP]) | ||
|  |    AX_OPENMP([], [AC_MSG_ERROR([don't know how to enable OpenMP])]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_ENABLE(threads, [AC_HELP_STRING([--enable-threads],[compile FFTW SMP threads library])], enable_threads=$enableval, enable_threads=no) | ||
|  | 
 | ||
|  | if test "$enable_threads" = "yes"; then | ||
|  |    AC_DEFINE(HAVE_THREADS,1,[Define to enable SMP threads]) | ||
|  | fi | ||
|  | 
 | ||
|  | AC_ARG_WITH(combined-threads, [AC_HELP_STRING([--with-combined-threads],[combine threads into main libfftw3])], with_combined_threads=$withval, with_combined_threads=no) | ||
|  | 
 | ||
|  | if test "$with_combined_threads" = yes; then | ||
|  |     if test "$enable_openmp" = "yes"; then | ||
|  |         AC_MSG_ERROR([--with-combined-threads incompatible with --enable-openmp]) | ||
|  |     fi | ||
|  |     if test "$enable_threads" != "yes"; then | ||
|  |         AC_MSG_ERROR([--with-combined-threads requires --enable-threads]) | ||
|  |     fi | ||
|  | fi | ||
|  | 
 | ||
|  | dnl Check for threads library... | ||
|  | THREADLIBS="" | ||
|  | if test "$enable_threads" = "yes"; then | ||
|  |         # Win32 threads are the default on Windows: | ||
|  |     if test -z "$THREADLIBS"; then | ||
|  |         AC_MSG_CHECKING([for Win32 threads]) | ||
|  |         AC_TRY_LINK([#include <windows.h>], | ||
|  |             [_beginthreadex(0,0,0,0,0,0);], | ||
|  |             [THREADLIBS=" "; AC_MSG_RESULT(yes)], | ||
|  |             [AC_MSG_RESULT(no)]) | ||
|  |     fi | ||
|  | 
 | ||
|  |     # POSIX threads, the default choice everywhere else: | ||
|  |     if test -z "$THREADLIBS"; then | ||
|  |         ACX_PTHREAD([THREADLIBS="$PTHREAD_LIBS " | ||
|  |                          CC="$PTHREAD_CC" | ||
|  |                          AC_DEFINE(USING_POSIX_THREADS, 1, [Define if we have and are using POSIX threads.])]) | ||
|  |     fi | ||
|  | 
 | ||
|  |     if test -z "$THREADLIBS"; then | ||
|  |         AC_MSG_ERROR([couldn't find threads library for --enable-threads]) | ||
|  |     fi | ||
|  |     AC_DEFINE(HAVE_THREADS, 1, [Define if we have a threads library.]) | ||
|  | fi | ||
|  | AC_SUBST(THREADLIBS) | ||
|  | AM_CONDITIONAL(THREADS, test "$enable_threads" = "yes") | ||
|  | AM_CONDITIONAL(OPENMP, test "$enable_openmp" = "yes") | ||
|  | AM_CONDITIONAL(SMP, test "$enable_threads" = "yes" -o "$enable_openmp" = "yes") | ||
|  | AM_CONDITIONAL(COMBINED_THREADS, test x"$with_combined_threads" = xyes) | ||
|  | 
 | ||
|  | dnl ----------------------------------------------------------------------- | ||
|  | 
 | ||
|  | AC_MSG_CHECKING([whether a cycle counter is available]) | ||
|  | save_CPPFLAGS=$CPPFLAGS | ||
|  | CPPFLAGS="$CPPFLAGS -I$srcdir/kernel" | ||
|  | AC_TRY_CPP([#include "cycle.h" | ||
|  | #ifndef HAVE_TICK_COUNTER | ||
|  | #  error No cycle counter | ||
|  | #endif], [ok=yes], [ok=no]) | ||
|  | CPPFLAGS=$save_CPPFLAGS | ||
|  | AC_MSG_RESULT($ok) | ||
|  | if test $ok = no && test "x$with_slow_timer" = xno; then | ||
|  |     echo "***************************************************************" | ||
|  |     echo "WARNING: No cycle counter found.  FFTW will use ESTIMATE mode  " | ||
|  |     echo "         for all plans.  See the manual for more information." | ||
|  |     echo "***************************************************************" | ||
|  | fi | ||
|  | 
 | ||
|  | dnl ----------------------------------------------------------------------- | ||
|  | 
 | ||
|  | AC_DEFINE_UNQUOTED(FFTW_CC, "$CC $CFLAGS", [C compiler name and flags]) | ||
|  | 
 | ||
|  | AC_CONFIG_FILES([ | ||
|  |    Makefile | ||
|  |    support/Makefile | ||
|  |    genfft/Makefile | ||
|  |    kernel/Makefile | ||
|  |    simd-support/Makefile | ||
|  | 
 | ||
|  |    dft/Makefile | ||
|  |    dft/scalar/Makefile | ||
|  |    dft/scalar/codelets/Makefile | ||
|  |    dft/simd/Makefile | ||
|  |    dft/simd/common/Makefile | ||
|  |    dft/simd/sse2/Makefile | ||
|  |    dft/simd/avx/Makefile | ||
|  |    dft/simd/avx-128-fma/Makefile | ||
|  |    dft/simd/avx2/Makefile | ||
|  |    dft/simd/avx2-128/Makefile | ||
|  |    dft/simd/avx512/Makefile | ||
|  |    dft/simd/kcvi/Makefile | ||
|  |    dft/simd/altivec/Makefile | ||
|  |    dft/simd/vsx/Makefile | ||
|  |    dft/simd/neon/Makefile | ||
|  |    dft/simd/generic-simd128/Makefile | ||
|  |    dft/simd/generic-simd256/Makefile | ||
|  | 
 | ||
|  |    rdft/Makefile | ||
|  |    rdft/scalar/Makefile | ||
|  |    rdft/scalar/r2cf/Makefile | ||
|  |    rdft/scalar/r2cb/Makefile | ||
|  |    rdft/scalar/r2r/Makefile | ||
|  |    rdft/simd/Makefile | ||
|  |    rdft/simd/common/Makefile | ||
|  |    rdft/simd/sse2/Makefile | ||
|  |    rdft/simd/avx/Makefile | ||
|  |    rdft/simd/avx-128-fma/Makefile | ||
|  |    rdft/simd/avx2/Makefile | ||
|  |    rdft/simd/avx2-128/Makefile | ||
|  |    rdft/simd/avx512/Makefile | ||
|  |    rdft/simd/kcvi/Makefile | ||
|  |    rdft/simd/altivec/Makefile | ||
|  |    rdft/simd/vsx/Makefile | ||
|  |    rdft/simd/neon/Makefile | ||
|  |    rdft/simd/generic-simd128/Makefile | ||
|  |    rdft/simd/generic-simd256/Makefile | ||
|  | 
 | ||
|  |    reodft/Makefile | ||
|  | 
 | ||
|  |    threads/Makefile | ||
|  | 
 | ||
|  |    api/Makefile | ||
|  | 
 | ||
|  |    mpi/Makefile | ||
|  | 
 | ||
|  |    libbench2/Makefile | ||
|  |    tests/Makefile | ||
|  |    doc/Makefile | ||
|  |    doc/FAQ/Makefile | ||
|  | 
 | ||
|  |    tools/Makefile | ||
|  |    tools/fftw_wisdom.1 | ||
|  |    tools/fftw-wisdom-to-conf | ||
|  | 
 | ||
|  |    m4/Makefile | ||
|  | 
 | ||
|  |    fftw.pc | ||
|  | ]) | ||
|  | 
 | ||
|  | AC_OUTPUT |