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| author | Paolo Carlini <pcarlini@suse.de> | 2006-01-25 19:29:40 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2006-01-25 19:29:40 +0000 |
| commit | bd2bb1ea59def32f67e51e844bb7fed3fbd8a121 (patch) | |
| tree | 134fb590f211ecbb84e73d45be5eff5512a35ed3 /libstdc++-v3/acinclude.m4 | |
| parent | 03b8fe495d716c004f5491eb2347537f115ab2d8 (diff) | |
| download | gcc-bd2bb1ea59def32f67e51e844bb7fed3fbd8a121.tar.gz | |
cctype: New.
2006-01-25 Paolo Carlini <pcarlini@suse.de>
* include/tr1/cctype: New.
* include/Makefile.am: Add.
* testsuite/tr1/8_c_compatibility/cctype/functions.cc: New.
* include/Makefile.in: Regenerate.
* acinclude.m4 ([GLIBCXX_CHECK_C99_TR1]): New, check for C99
support to TR1, Chapter 8.
* configure.ac: Use it.
* include/tr1/complex: Adjust.
* config.h.in: Regenerate.
* configure: Likewise.
From-SVN: r110221
Diffstat (limited to 'libstdc++-v3/acinclude.m4')
| -rw-r--r-- | libstdc++-v3/acinclude.m4 | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index aa68ac7abf2..4e2b1693525 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -1048,6 +1048,71 @@ AC_DEFUN([GLIBCXX_ENABLE_C99], [ dnl +dnl Check for ISO/IEC 9899:1999 "C99" support to ISO/IEC DTR 19768 "TR1" +dnl facilities in Chapter 8, "C compatibility". +dnl +AC_DEFUN([GLIBCXX_CHECK_C99_TR1], [ + + AC_LANG_SAVE + AC_LANG_CPLUSPLUS + + # Check for the existence of <complex.h> complex math functions used + # by tr1/complex. + AC_CHECK_HEADERS(complex.h, ac_has_complex_h=yes, ac_has_complex_h=no) + ac_c99_complex_tr1=no; + if test x"$ac_has_complex_h" = x"yes"; then + AC_MSG_CHECKING([for ISO C99 support to TR1 in <complex.h>]) + AC_TRY_COMPILE([#include <complex.h>], + [typedef __complex__ float float_type; float_type tmpf; + cacosf(tmpf); + casinf(tmpf); + catanf(tmpf); + cacoshf(tmpf); + casinhf(tmpf); + catanhf(tmpf); + typedef __complex__ double double_type; double_type tmpd; + cacos(tmpd); + casin(tmpd); + catan(tmpd); + cacosh(tmpd); + casinh(tmpd); + catanh(tmpd); + typedef __complex__ long double ld_type; ld_type tmpld; + cacosl(tmpld); + casinl(tmpld); + catanl(tmpld); + cacoshl(tmpld); + casinhl(tmpld); + catanhl(tmpld); + ],[ac_c99_complex_tr1=yes], [ac_c99_complex_tr1=no]) + fi + AC_MSG_RESULT($ac_c99_complex_tr1) + if test x"$ac_c99_complex_tr1" = x"yes"; then + AC_DEFINE(_GLIBCXX_USE_C99_COMPLEX_TR1, 1, + [Define if C99 functions in <complex.h> should be used in + <tr1/complex>. Using compiler builtins for these functions + requires corresponding C99 library functions to be present.]) + fi + + # Check for the existence of <ctype.h> functions. + AC_MSG_CHECKING([for ISO C99 support to TR1 in <ctype.h>]) + AC_CACHE_VAL(ac_c99_ctype_tr1, [ + AC_TRY_COMPILE([#include <ctype.h>], + [isblank(0); + ],[ac_c99_ctype_tr1=yes], [ac_c99_ctype_tr1=no]) + ]) + AC_MSG_RESULT($ac_c99_ctype_tr1) + if test x"$ac_c99_ctype_tr1" = x"yes"; then + AC_DEFINE(_GLIBCXX_USE_C99_CTYPE_TR1, 1, + [Define if C99 functions in <ctype.h> should be imported in + <tr1/cctype> in namespace std::tr1.]) + fi + + AC_LANG_RESTORE +]) + + +dnl dnl Check for what type of C headers to use. dnl dnl --enable-cheaders= [does stuff]. |