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build: tweak static libs config on alpine

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- always use `-ffunction-sections -fdata-sections -fmerge-all-constants`
- don't use `-Os` with gcc
This commit is contained in:
Marcus Holland-Moritz 2025-04-03 11:57:45 +02:00
parent 86c0cfc528
commit 3366ef4585
1 changed files with 42 additions and 12 deletions
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54
.docker/install-static-libs.sh
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@ -36,7 +36,9 @@ if [[ "$PKGS" == ":ubuntu" ]]; then
COMPILERS="clang gcc"
elif [[ "$PKGS" == ":alpine" ]]; then
PKGS="benchmark,brotli,bzip2,cpptrace,double-conversion,flac,fmt,fuse,glog,libarchive,lz4,openssl,xxhash,zstd"
export COMMON_CFLAGS="-Os -ffunction-sections -fdata-sections -fmerge-all-constants"
export CLANG_OPTIMIZE="-Os"
export GCC_OPTIMIZE="-O2" # gcc -Os is painfully slow
export COMMON_CFLAGS="-ffunction-sections -fdata-sections -fmerge-all-constants"
export COMMON_CXXFLAGS="$COMMON_CFLAGS"
COMPILERS="clang gcc clang-lto gcc-lto"
elif [[ "$PKGS" == ":none" ]]; then
@ -112,14 +114,26 @@ fetch_lib zstd https://github.com/facebook/zstd/releases/download/v${ZSTD_VERSIO
fetch_lib fuse https://github.com/libfuse/libfuse/releases/download/fuse-${FUSE_VERSION}/${FUSE_TARBALL}
for COMPILER in $COMPILERS; do
export CFLAGS="$COMMON_CFLAGS"
export CXXFLAGS="$COMMON_CXXFLAGS"
export LDFLAGS="$COMMON_LDFLAGS"
case "$COMPILER" in
clang*)
export CC="$CLANG"
export CXX="${CLANG/clang/clang++}"
if [[ -n "$CLANG_OPTIMIZE" ]]; then
export CFLAGS="$CFLAGS $CLANG_OPTIMIZE"
export CXXFLAGS="$CXXFLAGS $CLANG_OPTIMIZE"
fi
;;
gcc*)
export CC="$GCC"
export CXX="${GCC/gcc/g++}"
if [[ -n "$GCC_OPTIMIZE" ]]; then
export CFLAGS="$CFLAGS $GCC_OPTIMIZE"
export CXXFLAGS="$CXXFLAGS $GCC_OPTIMIZE"
fi
;;
*)
echo "Unknown compiler: $COMPILER"
@ -129,22 +143,38 @@ for COMPILER in $COMPILERS; do
case "$COMPILER" in
*-lto)
export CFLAGS="$COMMON_CFLAGS -flto"
export CXXFLAGS="$COMMON_CXXFLAGS -flto"
export LDFLAGS="$COMMON_LDFLAGS -flto"
export CFLAGS="$CFLAGS -flto"
export CXXFLAGS="$CXXFLAGS -flto"
export LDFLAGS="$LDFLAGS -flto"
;;
*-lto-thin)
export CFLAGS="$COMMON_CFLAGS -flto=thin"
export CXXFLAGS="$COMMON_CXXFLAGS -flto=thin"
export LDFLAGS="$COMMON_LDFLAGS -flto=thin"
;;
*)
unset CFLAGS
unset CXXFLAGS
unset LDFLAGS
export CFLAGS="$CFLAGS -flto=thin"
export CXXFLAGS="$CXXFLAGS -flto=thin"
export LDFLAGS="$LDFLAGS -flto=thin"
;;
esac
if [[ $CFLAGS =~ ^[[:space:]]*$ ]]; then
echo "unsetting CFLAGS"
unset CFLAGS
else
echo "setting CFLAGS: $CFLAGS"
fi
if [[ $CXXFLAGS =~ ^[[:space:]]*$ ]]; then
echo "unsetting CXXFLAGS"
unset CXXFLAGS
else
echo "setting CXXFLAGS: $CXXFLAGS"
fi
if [[ $LDFLAGS =~ ^[[:space:]]*$ ]]; then
echo "unsetting LDFLAGS"
unset LDFLAGS
else
echo "setting LDFLAGS: $LDFLAGS"
fi
cd "$HOME/pkgs"
mkdir $COMPILER