diff options
Diffstat (limited to 'libstdc++-v3/configure')
-rwxr-xr-x | libstdc++-v3/configure | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index 98568ae..c8d5508 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -73496,6 +73496,57 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu +# For using init_priority in ios_init.cc + + + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether init_priority attribute is supported" >&5 +$as_echo_n "checking whether init_priority attribute is supported... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + #if ! __has_attribute(init_priority) + #error init_priority not supported + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + ac_init_priority=yes +else + ac_init_priority=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + if test "$ac_init_priority" = yes; then + +cat >>confdefs.h <<_ACEOF +#define _GLIBCXX_USE_INIT_PRIORITY_ATTRIBUTE 1 +_ACEOF + + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_init_priority" >&5 +$as_echo "$ac_init_priority" >&6; } + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + # Define documentation rules conditionally. # See if makeinfo has been installed and is modern enough |