diff options
| -rwxr-xr-x | configure.py | 14 | ||||
| -rw-r--r-- | src/build-data/cc/clang.txt | 1 | ||||
| -rw-r--r-- | src/build-data/cc/gcc.txt | 1 | ||||
| -rw-r--r-- | src/build-data/cc/icc.txt | 1 | ||||
| -rw-r--r-- | src/build-data/cc/msvc.txt | 1 |
5 files changed, 17 insertions, 1 deletions
diff --git a/configure.py b/configure.py index 57f24c8f3..9122b38f0 100755 --- a/configure.py +++ b/configure.py @@ -287,6 +287,10 @@ def process_command_line(args): action='store_false', help='disable building shared library') + build_group.add_option('--optimize-for-size', dest='optimize_for_size', + action='store_true', default=False, + help='optimize for code size') + build_group.add_option('--no-optimizations', dest='no_optimizations', action='store_true', default=False, help='disable all optimizations (for debugging)') @@ -853,6 +857,7 @@ class CompilerInfo(object): 'compile_flags': '', 'debug_info_flags': '', 'optimization_flags': '', + 'size_optimization_flags': '', 'coverage_flags': '', 'sanitizer_flags': '', 'shared_flags': '', @@ -963,7 +968,14 @@ class CompilerInfo(object): yield self.debug_info_flags if not options.no_optimizations: - yield self.optimization_flags + if options.optimize_for_size: + if self.size_optimization_flags != '': + yield self.size_optimization_flags + else: + logging.warning("No size optimization flags set for current compiler") + yield self.optimization_flags + else: + yield self.optimization_flags def submodel_fixup(flags, tup): return tup[0].replace('SUBMODEL', flags.replace(tup[1], '')) diff --git a/src/build-data/cc/clang.txt b/src/build-data/cc/clang.txt index 8c5baf7ca..c4a85658f 100644 --- a/src/build-data/cc/clang.txt +++ b/src/build-data/cc/clang.txt @@ -16,6 +16,7 @@ maintainer_warning_flags "-Qunused-arguments -Werror -Wno-error=unused-parameter compile_flags "-c" debug_info_flags "-g" optimization_flags "-O3" +size_optimization_flags "-Os" #sanitizer_flags "-fsanitize=address,undefined -fsanitize-coverage=edge,indirect-calls,8bit-counters -fno-sanitize-recover=undefined" sanitizer_flags "-fsanitize=address,undefined" diff --git a/src/build-data/cc/gcc.txt b/src/build-data/cc/gcc.txt index b086583ff..b88454ce6 100644 --- a/src/build-data/cc/gcc.txt +++ b/src/build-data/cc/gcc.txt @@ -17,6 +17,7 @@ maintainer_warning_flags "-Wold-style-cast -Wsuggest-override -Wshadow -Werror - compile_flags "-c" debug_info_flags "-g" optimization_flags "-O3" +size_optimization_flags "-Os" shared_flags "-fPIC" coverage_flags "--coverage" diff --git a/src/build-data/cc/icc.txt b/src/build-data/cc/icc.txt index 084d2a4f2..f1b7e5a15 100644 --- a/src/build-data/cc/icc.txt +++ b/src/build-data/cc/icc.txt @@ -10,6 +10,7 @@ add_lib_option -l compile_flags "-c" debug_info_flags "-g" optimization_flags "-O2" +size_optimization_flags "-Os" lang_flags "-std=c++0x" warning_flags "-w1" diff --git a/src/build-data/cc/msvc.txt b/src/build-data/cc/msvc.txt index 8231c0429..c1b820b91 100644 --- a/src/build-data/cc/msvc.txt +++ b/src/build-data/cc/msvc.txt @@ -11,6 +11,7 @@ add_lib_option "" compile_flags "/nologo /c" optimization_flags "/O2" +size_optimization_flags "/O1" # for debug info in the object file: #debug_info_flags "/Z7" |