diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/configure b/configure index fd3021bce7a..f623af44dd1 100755 --- a/configure +++ b/configure @@ -7409,6 +7409,111 @@ if test x"$pgac_cv_prog_CLANGXX_cxxflags__Xclang__no_opaque_pointers" = x"yes"; fi + # Ideally bitcode should perhaps match $CC's use, or not, of outline atomic + # functions, but for now we err on the side of suppressing them in bitcode, + # because we can't assume they're available at runtime. This affects aarch64 + # builds using the basic armv8-a ISA without LSE support. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CLANG} supports -mno-outline-atomics, for BITCODE_CFLAGS" >&5 +$as_echo_n "checking whether ${CLANG} supports -mno-outline-atomics, for BITCODE_CFLAGS... " >&6; } +if ${pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics+:} false; then : + $as_echo_n "(cached) " >&6 +else + pgac_save_CXXFLAGS=$CXXFLAGS +pgac_save_CXX=$CXX +CXX=${CLANG} +CXXFLAGS="${BITCODE_CFLAGS} -mno-outline-atomics" +ac_save_cxx_werror_flag=$ac_cxx_werror_flag +ac_cxx_werror_flag=yes +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 + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics=yes +else + pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +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 + +ac_cxx_werror_flag=$ac_save_cxx_werror_flag +CXXFLAGS="$pgac_save_CXXFLAGS" +CXX="$pgac_save_CXX" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics" >&5 +$as_echo "$pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics" >&6; } +if test x"$pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics" = x"yes"; then + BITCODE_CFLAGS="${BITCODE_CFLAGS} -mno-outline-atomics" +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CLANG} supports -mno-outline-atomics, for BITCODE_CXXFLAGS" >&5 +$as_echo_n "checking whether ${CLANG} supports -mno-outline-atomics, for BITCODE_CXXFLAGS... " >&6; } +if ${pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics+:} false; then : + $as_echo_n "(cached) " >&6 +else + pgac_save_CXXFLAGS=$CXXFLAGS +pgac_save_CXX=$CXX +CXX=${CLANG} +CXXFLAGS="${BITCODE_CXXFLAGS} -mno-outline-atomics" +ac_save_cxx_werror_flag=$ac_cxx_werror_flag +ac_cxx_werror_flag=yes +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 + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics=yes +else + pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +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 + +ac_cxx_werror_flag=$ac_save_cxx_werror_flag +CXXFLAGS="$pgac_save_CXXFLAGS" +CXX="$pgac_save_CXX" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics" >&5 +$as_echo "$pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics" >&6; } +if test x"$pgac_cv_prog_CLANG_cxxflags__mno_outline_atomics" = x"yes"; then + BITCODE_CXXFLAGS="${BITCODE_CXXFLAGS} -mno-outline-atomics" +fi + + NOT_THE_CFLAGS="" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CLANG} supports -Wunused-command-line-argument, for NOT_THE_CFLAGS" >&5 $as_echo_n "checking whether ${CLANG} supports -Wunused-command-line-argument, for NOT_THE_CFLAGS... " >&6; } |