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android/build.py: enable function/data sections in static libraries 

.. and make all library symbols hidden by default.

Saves big amounts of .text section size with --gc-sections, because
only this allows discarding unused functions from those (static)
third-party libraries.
This commit is contained in:
Max Kellermann 2018-01-04 23:33:07 +01:00
parent 329f9cd9fe
commit 5724656acb
1 changed files with 2 additions and 0 deletions
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android/build.py
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@ -73,6 +73,8 @@ class AndroidNdkToolchain:
self.cxx = os.path.join(llvm_bin, 'clang++') self.cxx = os.path.join(llvm_bin, 'clang++')
common_flags += ' -target ' + llvm_triple + ' -integrated-as -gcc-toolchain ' + toolchain_path common_flags += ' -target ' + llvm_triple + ' -integrated-as -gcc-toolchain ' + toolchain_path
common_flags += ' -fvisibility=hidden -fdata-sections -ffunction-sections'
self.ar = os.path.join(toolchain_bin, arch + '-ar') self.ar = os.path.join(toolchain_bin, arch + '-ar')
self.ranlib = os.path.join(toolchain_bin, arch + '-ranlib') self.ranlib = os.path.join(toolchain_bin, arch + '-ranlib')
self.nm = os.path.join(toolchain_bin, arch + '-nm') self.nm = os.path.join(toolchain_bin, arch + '-nm')