зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
5.0 KiB
Plaintext
108 строки
5.0 KiB
Plaintext
dnl This Source Code Form is subject to the terms of the Mozilla Public
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dnl License, v. 2.0. If a copy of the MPL was not distributed with this
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dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
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AC_DEFUN([MOZ_CONFIG_CLANG_PLUGIN], [
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if test -n "$ENABLE_CLANG_PLUGIN"; then
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dnl For some reason the llvm-config downloaded from clang.llvm.org for clang3_8
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dnl produces a -isysroot flag for a sysroot which might not ship when passed
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dnl --cxxflags. We use sed to remove this argument so that builds work on OSX
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dnl
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dnl For a similar reason, we remove any -gcc-toolchain arguments, since the
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dnl directories specified by such arguments might not exist on the current
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dnl machine.
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LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-isysroot [[^ ]]*//' -e 's/-gcc-toolchain [[^ ]]*//'`
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LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags | tr '\n' ' '`
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if test "${HOST_OS_ARCH}" = "Darwin"; then
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dnl We need to make sure that we use the symbols coming from the clang
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dnl binary. In order to do this, we need to pass -flat_namespace and
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dnl -undefined suppress to the linker. This makes sure that we link the
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dnl symbols into the flat namespace provided by clang, and thus get
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dnl access to all of the symbols which are undefined in our dylib as we
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dnl are building it right now, and also that we don't fail the build
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dnl due to undefined symbols (which will be provided by clang).
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CLANG_LDFLAGS="-Wl,-flat_namespace -Wl,-undefined,suppress"
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dnl We are loaded into clang, so we don't need to link to very many things,
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dnl we just need to link to clangASTMatchers because it is not used by clang
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CLANG_LDFLAGS="$CLANG_LDFLAGS `$LLVM_CONFIG --prefix`/lib/libclangASTMatchers.a"
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dnl We need to remove -L/path/to/clang/lib from LDFLAGS to ensure that we
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dnl don't accidentally link against the libc++ there which is a newer
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dnl version that what our build machines have installed.
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LLVM_LDFLAGS=`echo "$LLVM_LDFLAGS" | sed -E 's/-L[[^ ]]+\/clang\/lib//'`
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elif test "${HOST_OS_ARCH}" = "WINNT"; then
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CLANG_LDFLAGS="clangASTMatchers.lib clang.lib"
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else
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CLANG_LDFLAGS="-lclangASTMatchers"
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fi
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if test -n "$CLANG_CL"; then
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dnl The llvm-config coming with clang-cl may give us arguments in the
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dnl /ARG form, which in msys will be interpreted as a path name. So we
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dnl need to split the args and convert the leading slashes that we find
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dnl into a dash.
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LLVM_REPLACE_CXXFLAGS=''
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for arg in $LLVM_CXXFLAGS; do
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dnl The following expression replaces a leading slash with a dash.
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dnl Also replace any backslashes with forward slash.
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arg=`echo "$arg"|sed -e 's/^\//-/' -e 's/\\\\/\//g'`
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LLVM_REPLACE_CXXFLAGS="$LLVM_REPLACE_CXXFLAGS $arg"
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done
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LLVM_CXXFLAGS="$LLVM_REPLACE_CXXFLAGS"
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dnl We'll also want to replace `-std:` with `-Xclang -std=` so that
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dnl LLVM_CXXFLAGS can correctly override the `-Xclang -std=` set by
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dnl toolchain.configure.
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LLVM_CXXFLAGS=`echo "$LLVM_CXXFLAGS"|sed -e 's/ \(-Xclang \|\)-std[[:=]]/ -Xclang -std=/'`
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LLVM_REPLACE_LDFLAGS=''
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for arg in $LLVM_LDFLAGS; do
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dnl The following expression replaces a leading slash with a dash.
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dnl Also replace any backslashes with forward slash.
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arg=`echo "$arg"|sed -e 's/^\//-/' -e 's/\\\\/\//g'`
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LLVM_REPLACE_LDFLAGS="$LLVM_REPLACE_LDFLAGS $arg"
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done
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LLVM_LDFLAGS="$LLVM_REPLACE_LDFLAGS"
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CLANG_REPLACE_LDFLAGS=''
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for arg in $CLANG_LDFLAGS; do
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dnl The following expression replaces a leading slash with a dash.
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dnl Also replace any backslashes with forward slash.
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arg=`echo "$arg"|sed -e 's/^\//-/' -e 's/\\\\/\//g'`
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CLANG_REPLACE_LDFLAGS="$CLANG_REPLACE_LDFLAGS $arg"
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done
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CLANG_LDFLAGS="$CLANG_REPLACE_LDFLAGS"
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fi
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CLANG_PLUGIN_FLAGS="-Xclang -load -Xclang $CLANG_PLUGIN -Xclang -add-plugin -Xclang moz-check"
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AC_DEFINE(MOZ_CLANG_PLUGIN)
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fi
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if test -n "$ENABLE_MOZSEARCH_PLUGIN"; then
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if test -z "${ENABLE_CLANG_PLUGIN}"; then
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AC_MSG_ERROR([Can't use mozsearch plugin without --enable-clang-plugin.])
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fi
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CLANG_PLUGIN_FLAGS="$CLANG_PLUGIN_FLAGS -Xclang -add-plugin -Xclang mozsearch-index"
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dnl Parameters are: srcdir, outdir (path where output JSON is stored), objdir.
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CLANG_PLUGIN_FLAGS="$CLANG_PLUGIN_FLAGS -Xclang -plugin-arg-mozsearch-index -Xclang $_topsrcdir"
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CLANG_PLUGIN_FLAGS="$CLANG_PLUGIN_FLAGS -Xclang -plugin-arg-mozsearch-index -Xclang $_objdir/mozsearch_index"
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CLANG_PLUGIN_FLAGS="$CLANG_PLUGIN_FLAGS -Xclang -plugin-arg-mozsearch-index -Xclang $_objdir"
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AC_DEFINE(MOZ_MOZSEARCH_PLUGIN)
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fi
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AC_SUBST_LIST(CLANG_PLUGIN_FLAGS)
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AC_SUBST_LIST(LLVM_CXXFLAGS)
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AC_SUBST_LIST(LLVM_LDFLAGS)
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AC_SUBST_LIST(CLANG_LDFLAGS)
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AC_SUBST(ENABLE_CLANG_PLUGIN)
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AC_SUBST(ENABLE_CLANG_PLUGIN_ALPHA)
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AC_SUBST(ENABLE_MOZSEARCH_PLUGIN)
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])
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