build: Fix -Xclang -internal-isystem option

LLVM Clang >=16.0 and Apple Clang >=15.0 do not recognize
`-Xclang -internal-isystem/usr/local/include` anymore.

For example, see: cbbe1d4454

Github-Pull: #29195
Rebased-From: 8decc5c726
This commit is contained in:
Hennadii Stepanov 2024-01-07 11:32:51 +00:00 committed by glozow
parent 74df372750
commit 72eab1ca64

View file

@ -755,7 +755,7 @@ case $host in
dnl option to system-ify all /usr/local/include paths without adding it to the list dnl option to system-ify all /usr/local/include paths without adding it to the list
dnl of search paths in case it's not already there. dnl of search paths in case it's not already there.
if test "$suppress_external_warnings" != "no"; then if test "$suppress_external_warnings" != "no"; then
AX_CHECK_PREPROC_FLAG([-Xclang -internal-isystem/usr/local/include], [CORE_CPPFLAGS="$CORE_CPPFLAGS -Xclang -internal-isystem/usr/local/include"], [], [$CXXFLAG_WERROR]) AX_CHECK_PREPROC_FLAG([-Xclang -internal-isystem -Xclang /usr/local/include/], [CORE_CPPFLAGS="$CORE_CPPFLAGS -Xclang -internal-isystem -Xclang /usr/local/include/"], [], [$CXXFLAG_WERROR])
fi fi
if test "$use_bdb" != "no" && $BREW list --versions berkeley-db@4 >/dev/null && test "$BDB_CFLAGS" = "" && test "$BDB_LIBS" = ""; then if test "$use_bdb" != "no" && $BREW list --versions berkeley-db@4 >/dev/null && test "$BDB_CFLAGS" = "" && test "$BDB_LIBS" = ""; then