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Bug 1902214 - Stop filtering out -isysroot and -gcc-toolchain. r=firefox-build-system-reviewers,sergesanspaille

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-isysroot was appearing in the llvm-config output on mac in very old
clang.llvm.org builds. The latest builds don't do that anymore, and our
own bootstrapped builds don't either.

-gcc-toolchain was filtered out because we were using it to build our
own clang and that transpired in llvm-config, but we don't anymore, as
of bug 1719226.

Differential Revision: https://phabricator.services.mozilla.com/D213534
This commit is contained in:
Mike Hommey 2024-06-14 01:59:04 +00:00
parent c85392b4ef
commit d88364f87d
1 changed files with 1 additions and 8 deletions
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9
build/autoconf/clang-plugin.m4
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@ -5,14 +5,7 @@ dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
AC_DEFUN([MOZ_CONFIG_CLANG_PLUGIN], [
if test -n "$ENABLE_CLANG_PLUGIN"; then
dnl For some reason the llvm-config downloaded from clang.llvm.org for clang3_8
dnl produces a -isysroot flag for a sysroot which might not ship when passed
dnl --cxxflags. We use sed to remove this argument so that builds work on OSX
dnl
dnl For a similar reason, we remove any -gcc-toolchain arguments, since the
dnl directories specified by such arguments might not exist on the current
dnl machine.
LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-isysroot [[^ ]]*//' -e 's/-gcc-toolchain [[^ ]]*//'`
LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags`
LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags | tr '\n' ' '`