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Description: point clang to the toolchain provided by the gcc-mozilla package (version 7 required for C++ 17), and statically link against libstdc++
Author: Olivier Tilloy <olivier.tilloy@canonical.com>
Bug-Ubuntu: https://launchpad.net/bugs/1856861
--- a/build/moz.configure/toolchain.configure
+++ b/build/moz.configure/toolchain.configure
@@ -1433,6 +1433,9 @@ set_config('_DEPEND_CFLAGS', depend_cflags(c_compiler))
set_config('_HOST_DEPEND_CFLAGS', depend_cflags(host_c_compiler))
+add_old_configure_assignment('CXXFLAGS', ['--gcc-toolchain=/usr/lib/gcc-mozilla'])
+
+
@depends(c_compiler)
def preprocess_option(compiler):
# The uses of PREPROCESS_OPTION depend on the spacing for -o/-Fi.
@@ -2125,7 +2128,7 @@ def linker_ldflags(linker, macos_sdk):
flags.append('-Wl,-syslibroot,%s' % macos_sdk)
else:
flags.append('-Wl,--sysroot=%s' % macos_sdk)
-
+ flags.append('-static-libstdc++')
return flags
--- a/servo/components/style/build_gecko.rs
+++ b/servo/components/style/build_gecko.rs
@@ -149,6 +149,8 @@ impl BuilderExt for Builder {
builder = builder.with_rustfmt(path);
}
+ builder = builder.clang_arg("--gcc-toolchain=/usr/lib/gcc-mozilla");
+
for dir in SEARCH_PATHS.iter() {
builder = builder.clang_arg("-I").clang_arg(dir.to_str().unwrap());
}
--- a/build/unix/stdc++compat/moz.build
+++ b/build/unix/stdc++compat/moz.build
@@ -24,4 +24,7 @@ COMPILE_FLAGS['CLANG_PLUGIN'] = []
DEFINES['MOZ_LIBSTDCXX_VERSION'] = CONFIG['MOZ_LIBSTDCXX_TARGET_VERSION']
HOST_DEFINES['MOZ_LIBSTDCXX_VERSION'] = CONFIG['MOZ_LIBSTDCXX_HOST_VERSION']
+CXXFLAGS += ['--gcc-toolchain=/usr/lib/gcc-mozilla']
+HOST_CXXFLAGS += ['--gcc-toolchain=/usr/lib/gcc-mozilla']
+
OS_LIBS += ['-Wl,--version-script,%s/hide_std.ld' % SRCDIR]
--- a/layout/style/test/moz.build
+++ b/layout/style/test/moz.build
@@ -18,6 +18,7 @@ DIRS += ['gtest']
HostSimplePrograms([
'host_ListCSSProperties',
])
+HOST_CXXFLAGS += ['--gcc-toolchain=/usr/lib/gcc-mozilla']
MOCHITEST_MANIFESTS += [
'mochitest.ini',
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