diff options
Diffstat (limited to 'libstdc++-v3/acinclude.m4')
| -rw-r--r-- | libstdc++-v3/acinclude.m4 | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index b2b48cc..8340572 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -3939,6 +3939,19 @@ dnl fi AC_MSG_RESULT($glibcxx_cv_st_mtim) dnl + AC_MSG_CHECKING([for fchmod]) + AC_CACHE_VAL(glibcxx_cv_fchmod, [dnl + GCC_TRY_COMPILE_OR_LINK( + [#include <sys/stat.h>], + [fchmod(1, S_IWUSR);], + [glibcxx_cv_fchmod=yes], + [glibcxx_cv_fchmod=no]) + ]) + if test $glibcxx_cv_fchmod = yes; then + AC_DEFINE(_GLIBCXX_USE_FCHMOD, 1, [Define if fchmod is available in <sys/stat.h>.]) + fi + AC_MSG_RESULT($glibcxx_cv_fchmod) +dnl AC_MSG_CHECKING([for fchmodat]) AC_CACHE_VAL(glibcxx_cv_fchmodat, [dnl GCC_TRY_COMPILE_OR_LINK( @@ -3955,6 +3968,26 @@ dnl fi AC_MSG_RESULT($glibcxx_cv_fchmodat) dnl + AC_MSG_CHECKING([for sendfile that can copy files]) + AC_CACHE_VAL(glibcxx_cv_sendfile, [dnl + case "${target_os}" in + gnu* | linux* | solaris*) + GCC_TRY_COMPILE_OR_LINK( + [#include <sys/sendfile.h>], + [sendfile(1, 2, (off_t*)NULL, sizeof 1);], + [glibcxx_cv_sendfile=yes], + [glibcxx_cv_sendfile=no]) + ;; + *) + glibcxx_cv_sendfile=no + ;; + esac + ]) + if test $glibcxx_cv_sendfile = yes; then + AC_DEFINE(_GLIBCXX_USE_SENDFILE, 1, [Define if sendfile is available in <sys/stat.h>.]) + fi + AC_MSG_RESULT($glibcxx_cv_sendfile) +dnl CXXFLAGS="$ac_save_CXXFLAGS" AC_LANG_RESTORE ]) |