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| author | Beniamino Galvani <bgalvani@redhat.com> | 2019-02-02 15:57:01 +0100 |
|---|---|---|
| committer | Beniamino Galvani <bgalvani@redhat.com> | 2019-02-04 10:55:25 +0100 |
| commit | e6cf4213a774020cfcc27983354c81b3e92caa9e (patch) | |
| tree | 4b97a890410d4f34af1d3ac69295f5a98451a98f /meson.build | |
| parent | b114b00f0a52d8c3800ccb3f4e461d4ea9c7c20b (diff) | |
| download | NetworkManager-e6cf4213a774020cfcc27983354c81b3e92caa9e.tar.gz | |
build: fix building with LTO
Building with link-time optimization requires some tricks explained
in [1].
[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48200#c28
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/meson.build b/meson.build index c9307a6cad..0f2d946169 100644 --- a/meson.build +++ b/meson.build @@ -147,6 +147,15 @@ if enable_ld_gc common_ldflags += test_ldflags endif +enable_lto = get_option('b_lto') +if enable_lto + # meson already adds '-flto' + lto_flag = '-flto-partition=none' + assert(cc.has_argument(lto_flag), '-flto-partition=none not supported. Disable link-time optimization with -Db_lto=false.') + common_flags += lto_flag + common_ldflags += lto_flag +endif + if nm_debug common_flags += cc.get_supported_arguments([ '-fno-strict-aliasing', @@ -986,7 +995,7 @@ if enable_valgrind endif output += '\n' output += ' code coverage: ' + get_option('b_coverage').to_string() + '\n' -output += ' LTO: ' + get_option('b_lto').to_string() + '\n' +output += ' LTO: ' + enable_lto.to_string() + '\n' output += ' Linker garbage collection: ' + enable_ld_gc.to_string() + '\n' output += ' JSON validation for libnm: ' + enable_json_validation.to_string() + '\n' output += ' crypto: ' + crypto + ' (have-gnutls: ' + crypto_gnutls_dep.found().to_string() + ', have-nss: ' + crypto_nss_dep.found().to_string() + ')\n' |