cc1e28878a
Native mingw builds enable TLS, but crosses don't because we don't use GCC_CHECK_TLS in the cross-compiler config. libstdc++-v3/ChangeLog: * crossconfig.m4: Check for TLS support on mingw. * configure: Regenerate.
371 lines
9.8 KiB
Plaintext
371 lines
9.8 KiB
Plaintext
dnl
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dnl This file contains details for non-native builds.
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dnl
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AC_DEFUN([GLIBCXX_CROSSCONFIG],[
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# Base decisions on target environment.
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case "${host}" in
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arm*-*-symbianelf*)
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# This is a freestanding configuration; there is nothing to do here.
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;;
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avr*-*-*)
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AC_DEFINE(HAVE_ACOSF)
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AC_DEFINE(HAVE_ASINF)
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AC_DEFINE(HAVE_ATAN2F)
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AC_DEFINE(HAVE_ATANF)
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AC_DEFINE(HAVE_CEILF)
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AC_DEFINE(HAVE_COSF)
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AC_DEFINE(HAVE_COSHF)
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AC_DEFINE(HAVE_EXPF)
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AC_DEFINE(HAVE_FABSF)
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AC_DEFINE(HAVE_FLOORF)
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AC_DEFINE(HAVE_FMODF)
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AC_DEFINE(HAVE_FREXPF)
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AC_DEFINE(HAVE_SQRTF)
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AC_DEFINE(HAVE_HYPOTF)
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AC_DEFINE(HAVE_LDEXPF)
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AC_DEFINE(HAVE_LOG10F)
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AC_DEFINE(HAVE_LOGF)
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AC_DEFINE(HAVE_MODFF)
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AC_DEFINE(HAVE_POWF)
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AC_DEFINE(HAVE_SINF)
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AC_DEFINE(HAVE_SINHF)
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AC_DEFINE(HAVE_TANF)
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AC_DEFINE(HAVE_TANHF)
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;;
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mips*-sde-elf*)
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# These definitions are for the SDE C library rather than newlib.
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SECTION_FLAGS='-ffunction-sections -fdata-sections'
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AC_SUBST(SECTION_FLAGS)
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GLIBCXX_CHECK_COMPILER_FEATURES
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GLIBCXX_CHECK_LINKER_FEATURES
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GLIBCXX_CHECK_MATH_SUPPORT
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GLIBCXX_CHECK_STDLIB_SUPPORT
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AC_DEFINE(HAVE_FINITE)
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AC_DEFINE(HAVE_HYPOT)
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AC_DEFINE(HAVE_ISNAN)
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AC_DEFINE(HAVE_ISINF)
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AC_DEFINE(HAVE_LDEXPF)
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AC_DEFINE(HAVE_MODF)
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AC_DEFINE(HAVE_SQRTF)
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;;
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*-aix*)
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GLIBCXX_CHECK_LINKER_FEATURES
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GLIBCXX_CHECK_MATH_SUPPORT
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GLIBCXX_CHECK_STDLIB_SUPPORT
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AC_DEFINE(_GLIBCXX_USE_DEV_RANDOM)
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AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
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# We don't yet support AIX's TLS ABI.
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#GCC_CHECK_TLS
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AM_ICONV
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AC_DEFINE(HAVE_USELOCALE)
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;;
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*-darwin*)
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# Darwin versions vary, but the linker should work in a cross environment,
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# so we just check for all the features here.
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# Check for available headers.
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# Don't call GLIBCXX_CHECK_LINKER_FEATURES, Darwin doesn't have a GNU ld
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GLIBCXX_CHECK_MATH_SUPPORT
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GLIBCXX_CHECK_STDLIB_SUPPORT
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AC_CHECK_FUNCS(uselocale)
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;;
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*djgpp)
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# GLIBCXX_CHECK_MATH_SUPPORT
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AC_DEFINE(HAVE_ISINF)
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AC_DEFINE(HAVE_ISNAN)
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AC_DEFINE(HAVE_FINITE)
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AC_DEFINE(HAVE_SINCOS)
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AC_DEFINE(HAVE_HYPOT)
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;;
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*-freebsd*)
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SECTION_FLAGS='-ffunction-sections -fdata-sections'
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AC_SUBST(SECTION_FLAGS)
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GLIBCXX_CHECK_LINKER_FEATURES
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AC_DEFINE(HAVE_SETENV)
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AC_DEFINE(HAVE_FINITEF)
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AC_DEFINE(HAVE_FINITE)
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AC_DEFINE(HAVE_FREXPF)
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AC_DEFINE(HAVE_HYPOT)
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AC_DEFINE(HAVE_HYPOTF)
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AC_DEFINE(HAVE_ISINF)
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AC_DEFINE(HAVE_ISNAN)
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AC_DEFINE(HAVE_ISNANF)
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AC_DEFINE(HAVE_ACOSF)
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AC_DEFINE(HAVE_ASINF)
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AC_DEFINE(HAVE_ATAN2F)
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AC_DEFINE(HAVE_ATANF)
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AC_DEFINE(HAVE_CEILF)
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AC_DEFINE(HAVE_COSF)
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AC_DEFINE(HAVE_COSHF)
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AC_DEFINE(HAVE_EXPF)
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AC_DEFINE(HAVE_FABSF)
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AC_DEFINE(HAVE_FLOORF)
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AC_DEFINE(HAVE_FMODF)
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AC_DEFINE(HAVE_FREXPF)
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AC_DEFINE(HAVE_LDEXPF)
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AC_DEFINE(HAVE_LOG10F)
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AC_DEFINE(HAVE_LOGF)
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AC_DEFINE(HAVE_MODFF)
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AC_DEFINE(HAVE_POWF)
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AC_DEFINE(HAVE_SINF)
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AC_DEFINE(HAVE_SINHF)
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AC_DEFINE(HAVE_SQRTF)
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AC_DEFINE(HAVE_TANF)
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AC_DEFINE(HAVE_TANHF)
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if test x"long_double_math_on_this_cpu" = x"yes"; then
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AC_DEFINE(HAVE_FINITEL)
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AC_DEFINE(HAVE_ISINFL)
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AC_DEFINE(HAVE_ISNANL)
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fi
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AC_CHECK_FUNCS(__cxa_thread_atexit)
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AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
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AC_CHECK_FUNCS(timespec_get)
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AC_CHECK_FUNCS(sockatmark)
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AC_CHECK_FUNCS(uselocale)
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;;
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*-fuchsia*)
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SECTION_FLAGS='-ffunction-sections -fdata-sections'
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AC_SUBST(SECTION_FLAGS)
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;;
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*-hpux*)
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SECTION_FLAGS='-ffunction-sections -fdata-sections'
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AC_SUBST(SECTION_FLAGS)
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GLIBCXX_CHECK_LINKER_FEATURES
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# GLIBCXX_CHECK_MATH_SUPPORT
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AC_DEFINE(HAVE_ISNAN)
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AC_DEFINE(HAVE_HYPOT)
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AC_DEFINE(HAVE_ACOSF)
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AC_DEFINE(HAVE_ASINF)
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AC_DEFINE(HAVE_ATANF)
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AC_DEFINE(HAVE_COSF)
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AC_DEFINE(HAVE_COSHF)
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AC_DEFINE(HAVE_SINF)
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AC_DEFINE(HAVE_SINHF)
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AC_DEFINE(HAVE_TANF)
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AC_DEFINE(HAVE_TANHF)
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AC_DEFINE(HAVE_EXPF)
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AC_DEFINE(HAVE_ATAN2F)
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AC_DEFINE(HAVE_FABSF)
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AC_DEFINE(HAVE_FMODF)
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AC_DEFINE(HAVE_FREXPF)
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AC_DEFINE(HAVE_LOGF)
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AC_DEFINE(HAVE_LOG10F)
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AC_DEFINE(HAVE_MODF)
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AC_DEFINE(HAVE_POWF)
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AC_DEFINE(HAVE_SQRTF)
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# GLIBCXX_CHECK_STDLIB_SUPPORT
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AC_DEFINE(HAVE_STRTOLD)
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GCC_CHECK_TLS
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case "$target" in
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*-hpux10*)
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AC_DEFINE(HAVE_ISINF)
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AC_DEFINE(HAVE_ISINFF)
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AC_DEFINE(HAVE_ISNANF)
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AC_DEFINE(HAVE_FINITE)
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AC_DEFINE(HAVE_FINITEF)
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;;
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esac
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;;
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*-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-cygwin* | *-solaris*)
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GLIBCXX_CHECK_COMPILER_FEATURES
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GLIBCXX_CHECK_LINKER_FEATURES
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GLIBCXX_CHECK_MATH_SUPPORT
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GLIBCXX_CHECK_STDLIB_SUPPORT
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AC_DEFINE(_GLIBCXX_USE_DEV_RANDOM)
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AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
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GCC_CHECK_TLS
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AC_CHECK_FUNCS(__cxa_thread_atexit_impl)
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AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
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AC_CHECK_FUNCS(timespec_get)
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AC_CHECK_FUNCS(sockatmark)
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AC_CHECK_FUNCS(uselocale)
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AM_ICONV
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;;
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*-mingw32*)
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GLIBCXX_CHECK_LINKER_FEATURES
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GLIBCXX_CHECK_MATH_SUPPORT
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GLIBCXX_CHECK_STDLIB_SUPPORT
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AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
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AC_CHECK_FUNCS(_wfopen)
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GCC_CHECK_TLS
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;;
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*-netbsd* | *-openbsd*)
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SECTION_FLAGS='-ffunction-sections -fdata-sections'
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AC_SUBST(SECTION_FLAGS)
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GLIBCXX_CHECK_LINKER_FEATURES
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AC_DEFINE(HAVE_FINITEF)
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AC_DEFINE(HAVE_FINITE)
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AC_DEFINE(HAVE_FREXPF)
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AC_DEFINE(HAVE_HYPOTF)
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AC_DEFINE(HAVE_ISINF)
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AC_DEFINE(HAVE_ISINFF)
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AC_DEFINE(HAVE_ISNAN)
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AC_DEFINE(HAVE_ISNANF)
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if test x"long_double_math_on_this_cpu" = x"yes"; then
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AC_DEFINE(HAVE_FINITEL)
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AC_DEFINE(HAVE_ISINFL)
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AC_DEFINE(HAVE_ISNANL)
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fi
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AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
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AC_CHECK_FUNCS(timespec_get)
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AC_CHECK_FUNCS(sockatmark)
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;;
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*-qnx6.1* | *-qnx6.2*)
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SECTION_FLAGS='-ffunction-sections -fdata-sections'
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AC_SUBST(SECTION_FLAGS)
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GLIBCXX_CHECK_LINKER_FEATURES
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AC_DEFINE(HAVE_COSF)
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AC_DEFINE(HAVE_COSL)
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AC_DEFINE(HAVE_COSHF)
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AC_DEFINE(HAVE_COSHL)
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AC_DEFINE(HAVE_LOGF)
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AC_DEFINE(HAVE_LOGL)
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AC_DEFINE(HAVE_LOG10F)
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AC_DEFINE(HAVE_LOG10L)
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AC_DEFINE(HAVE_SINF)
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AC_DEFINE(HAVE_SINL)
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AC_DEFINE(HAVE_SINHF)
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AC_DEFINE(HAVE_SINHL)
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;;
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*-rtems*)
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GLIBCXX_CHECK_COMPILER_FEATURES
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GLIBCXX_CHECK_LINKER_FEATURES
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GLIBCXX_CHECK_MATH_SUPPORT
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GLIBCXX_CHECK_STDLIB_SUPPORT
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;;
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*-tpf)
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SECTION_FLAGS='-ffunction-sections -fdata-sections'
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SECTION_LDFLAGS='-Wl,--gc-sections $SECTION_LDFLAGS'
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AC_SUBST(SECTION_FLAGS)
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AC_DEFINE(HAVE_FINITE)
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AC_DEFINE(HAVE_FINITEF)
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AC_DEFINE(HAVE_FREXPF)
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AC_DEFINE(HAVE_HYPOTF)
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AC_DEFINE(HAVE_ISINF)
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AC_DEFINE(HAVE_ISINFF)
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AC_DEFINE(HAVE_ISNAN)
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AC_DEFINE(HAVE_ISNANF)
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AC_DEFINE(HAVE_SINCOS)
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AC_DEFINE(HAVE_SINCOSF)
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if test x"long_double_math_on_this_cpu" = x"yes"; then
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AC_DEFINE(HAVE_FINITEL)
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AC_DEFINE(HAVE_HYPOTL)
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AC_DEFINE(HAVE_ISINFL)
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AC_DEFINE(HAVE_ISNANL)
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fi
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;;
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*-*vms*)
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# Check for available headers.
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# Don't call GLIBCXX_CHECK_LINKER_FEATURES, VMS doesn't have a GNU ld
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GLIBCXX_CHECK_MATH_SUPPORT
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GLIBCXX_CHECK_STDLIB_SUPPORT
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;;
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*-vxworks*)
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AC_DEFINE(HAVE_ACOSF)
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AC_DEFINE(HAVE_ASINF)
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AC_DEFINE(HAVE_ATAN2F)
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AC_DEFINE(HAVE_ATANF)
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AC_DEFINE(HAVE_CEILF)
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AC_DEFINE(HAVE_COSF)
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AC_DEFINE(HAVE_COSHF)
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AC_DEFINE(HAVE_EXPF)
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AC_DEFINE(HAVE_FABSF)
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AC_DEFINE(HAVE_FLOORF)
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AC_DEFINE(HAVE_FMODF)
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AC_DEFINE(HAVE_HYPOT)
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AC_DEFINE(HAVE_LOG10F)
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AC_DEFINE(HAVE_LOGF)
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AC_DEFINE(HAVE_POWF)
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AC_DEFINE(HAVE_SINF)
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AC_DEFINE(HAVE_SINHF)
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AC_DEFINE(HAVE_SQRTF)
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AC_DEFINE(HAVE_TANF)
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AC_DEFINE(HAVE_TANHF)
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dnl # Different versions and execution modes implement different
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dnl # subsets of these functions. Instead of hard-coding, test for C
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dnl # declarations in headers. The C primitives could be defined as
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dnl # macros, in which case the tests might fail, and we might have to
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dnl # switch to more elaborate tests.
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GLIBCXX_CHECK_MATH_DECLS([
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acosl asinl atan2l atanl ceill cosl coshl expl fabsl floorl fmodl
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frexpl ldexpl log10l logl modfl powl sinl sinhl sqrtl tanl tanhl hypotl
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ldexpf modff hypotf frexpf])
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dnl # sincosl is the only one missing here, compared with the *l
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dnl # functions in the list guarded by
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dnl # long_double_math_on_this_cpu in configure.ac, right after
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dnl # the expansion of the present macro.
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;;
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*)
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AC_MSG_ERROR([No support for this host/target combination.])
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;;
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esac
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])
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl declared when using the c compiler
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dnl
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dnl Define HAVE_CARGF etc if "cargf" is declared
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a math function
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dnl
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dnl GLIBCXX_CHECK_MATH_DECL
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AC_DEFUN([GLIBCXX_CHECK_MATH_DECL], [
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AC_CACHE_CHECK([for $1 declaration],
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[glibcxx_cv_func_$1_use], [
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AC_LANG_SAVE
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AC_LANG_C
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AC_TRY_COMPILE([
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#include <math.h>
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#ifdef HAVE_IEEEFP_H
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# include <ieeefp.h>
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#endif
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#undef $1
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], [
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void (*f)(void) = (void (*)(void))$1;
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], [glibcxx_cv_func_$1_use=yes
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], [glibcxx_cv_func_$1_use=no])])
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if test "x$glibcxx_cv_func_$1_use" = xyes; then
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AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1]))
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fi
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])
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dnl
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dnl Check to see whether multiple math functions are
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dnl declared when using the c compiler
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dnl
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dnl Define HAVE_CARGF HAVE_POWL etc if "cargf" and "powl"
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dnl are declared
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dnl
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dnl argument 1 is a word list naming function to check
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dnl
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dnl ASSUMES arguments are math functions
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dnl
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dnl GLIBCXX_CHECK_MATH_DECLS
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AC_DEFUN([GLIBCXX_CHECK_MATH_DECLS], [
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m4_foreach_w([glibcxx_func], [$1], [
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GLIBCXX_CHECK_MATH_DECL(glibcxx_func)
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])
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])
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