diff options
Diffstat (limited to 'libstdc++-v3/configure.in')
| -rw-r--r-- | libstdc++-v3/configure.in | 131 |
1 files changed, 100 insertions, 31 deletions
diff --git a/libstdc++-v3/configure.in b/libstdc++-v3/configure.in index e7c582f0639..d8d5b3e5650 100644 --- a/libstdc++-v3/configure.in +++ b/libstdc++-v3/configure.in @@ -42,18 +42,17 @@ GLIBCPP_ENABLE_THREADS GLIBCPP_ENABLE_ATOMICITY GLIBCPP_ENABLE_CXX_FLAGS([none]) - if test -n "$with_cross_host"; then # We are being configured with a cross compiler. AC_REPLACE_FUNCS # may not work correctly, because the compiler may not be able to # link executables. - xcompiling=1 NATIVE=no + # If Canadian cross, then don't pick up tools from the build # directory. - if test "$build" != "$with_cross_host"; then + if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then CANADIAN=yes NULL_TARGET=yes else @@ -62,27 +61,96 @@ if test -n "$with_cross_host"; then fi case "$target_alias" in - *-wince-*) - # Configure for Microsoft Windows CE, or whatever they are - # currently calling it. - AC_DEFINE(HAVE_FLOAT_H) - - AC_DEFINE(HAVE__FINITE) - AC_DEFINE(HAVE__ISNAN) - AC_DEFINE(HAVE__COPYSIGN) - AC_DEFINE(HAVE__FPCLASS) - AC_DEFINE(HAVE_MODF) - - ctype_include_dir="config/os/wince" - AC_LINK_FILES($ctype_include_dir/bits/ctype_base.h, - include/bits/ctype_base.h) - AC_LINK_FILES($ctype_include_dir/bits/ctype_inline.h, \ - include/bits/ctype_inline.h) - AC_LINK_FILES($ctype_include_dir/bits/ctype_noninline.h, \ - include/bits/ctype_noninline.h) - - AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX) - AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX) + *-linux-*) + # Construct linux crosses by hand, eliminating bits that need ld... + # Check for available headers. + AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \ + machine/endian.h machine/param.h sys/machine.h fp.h locale.h \ + float.h inttypes.h]) + + # GLIBCPP_CHECK_COMPILER_FEATURES + WFMT_FLAGS='-fdiagnostics-show-location=once' + SECTION_FLAGS='-ffunction-sections -fdata-sections' + AC_SUBST(WFMT_FLAGS) + AC_SUBST(SECTION_FLAGS) + GLIBCPP_CHECK_LINKER_FEATURES + # GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT + # GLIBCPP_CHECK_MATH_SUPPORT + AC_DEFINE(HAVE_ACOSF) + AC_DEFINE(HAVE_ASINF) + AC_DEFINE(HAVE_ATAN2F) + AC_DEFINE(HAVE_ATANF) + AC_DEFINE(HAVE_CEILF) + AC_DEFINE(HAVE_COPYSIGN) + AC_DEFINE(HAVE_COPYSIGNF) + AC_DEFINE(HAVE_COSF) + AC_DEFINE(HAVE_COSHF) + AC_DEFINE(HAVE_EXPF) + AC_DEFINE(HAVE_FABSF) + AC_DEFINE(HAVE_FINITE) + AC_DEFINE(HAVE_FINITEF) + AC_DEFINE(HAVE_FLOORF) + AC_DEFINE(HAVE_FMODF) + AC_DEFINE(HAVE_FREXPF) + AC_DEFINE(HAVE_ISINF) + AC_DEFINE(HAVE_ISINFF) + AC_DEFINE(HAVE_ISNAN) + AC_DEFINE(HAVE_ISNANF) + AC_DEFINE(HAVE_LDEXPF) + AC_DEFINE(HAVE_LOG10F) + AC_DEFINE(HAVE_LOGF) + AC_DEFINE(HAVE_MODFF) + AC_DEFINE(HAVE_POWF) + AC_DEFINE(HAVE_SINCOS) + AC_DEFINE(HAVE_SINCOSF) + AC_DEFINE(HAVE_SINF) + AC_DEFINE(HAVE_SINHF) + AC_DEFINE(HAVE_SQRTF) + AC_DEFINE(HAVE_TANF) + AC_DEFINE(HAVE_TANHF) + + # At some point, we should differentiate between architectures + # like x86, which have long double versions, and alpha/powerpc/etc., + # which don't. For the time being, punt. + if test x"long_double_math_on_this_cpu" = x"yes"; then + AC_DEFINE(HAVE_ACOSL) + AC_DEFINE(HAVE_ASINL) + AC_DEFINE(HAVE_ATAN2L) + AC_DEFINE(HAVE_ATANL) + AC_DEFINE(HAVE_CEILL) + AC_DEFINE(HAVE_COPYSIGNL) + AC_DEFINE(HAVE_COSL) + AC_DEFINE(HAVE_COSHL) + AC_DEFINE(HAVE_EXPL) + AC_DEFINE(HAVE_FABSL) + AC_DEFINE(HAVE_FINITEL) + AC_DEFINE(HAVE_FLOORL) + AC_DEFINE(HAVE_FMODL) + AC_DEFINE(HAVE_FREXPL) + AC_DEFINE(HAVE_ISINFL) + AC_DEFINE(HAVE_ISNANL) + AC_DEFINE(HAVE_LDEXPL) + AC_DEFINE(HAVE_LOG10L) + AC_DEFINE(HAVE_LOGL) + AC_DEFINE(HAVE_MODFL) + AC_DEFINE(HAVE_POWL) + AC_DEFINE(HAVE_SINCOSL) + AC_DEFINE(HAVE_SINL) + AC_DEFINE(HAVE_SINHL) + AC_DEFINE(HAVE_SQRTL) + AC_DEFINE(HAVE_TANL) + AC_DEFINE(HAVE_TANHL) + fi + GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT + GLIBCPP_CHECK_COMPLEX_MATH_COMPILER_SUPPORT + GLIBCPP_CHECK_WCHAR_T_SUPPORT + # GLIBCPP_CHECK_CTYPE_SUPPORT + ctype_include_dir="config/os/gnu-linux" + # GLIBCPP_CHECK_STDLIB_SUPPORT + AC_DEFINE(HAVE_STRTOF) + AC_DEFINE(HAVE_STRTOLD) + # AC_FUNC_MMAP + AC_DEFINE(HAVE_MMAP) ;; *) # We assume newlib. This lets us hard-code the functions we know @@ -94,12 +162,6 @@ if test -n "$with_cross_host"; then AC_DEFINE(HAVE_ISINFF) ctype_include_dir="config/os/newlib" - AC_LINK_FILES($ctype_include_dir/bits/ctype_base.h, - include/bits/ctype_base.h) - AC_LINK_FILES($ctype_include_dir/bits/ctype_inline.h, \ - include/bits/ctype_inline.h) - AC_LINK_FILES($ctype_include_dir/bits/ctype_noninline.h, \ - include/bits/ctype_noninline.h) AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX) AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX) @@ -111,7 +173,6 @@ else # We are being configured natively. We can do more elaborate tests # that include AC_TRY_COMPILE now, as the linker is assumed to be # working. - xcompiling=0 NATIVE=yes CANADIAN=no @@ -134,6 +195,14 @@ else AC_FUNC_MMAP fi +# Now that ctype is determined for all possible targets, we can do this... +AC_LINK_FILES($ctype_include_dir/bits/ctype_base.h, \ +include/bits/ctype_base.h) +AC_LINK_FILES($ctype_include_dir/bits/ctype_inline.h, \ +include/bits/ctype_inline.h) +AC_LINK_FILES($ctype_include_dir/bits/ctype_noninline.h, \ +include/bits/ctype_noninline.h) + AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes) AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes) AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes) |
