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Reduce Postgis shared library size to <8mb #62

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Reduce Postgis shared library size to <8mb #62

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8 changes: 5 additions & 3 deletions pglite/build-postgis.sh
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Expand Up @@ -12,9 +12,11 @@ PROJ_VERSION=9.7.0 LDFLAGS="-L/install/libs/lib" CFLAGS="${PGLITE_CFLAGS}" CXXFL
# touch ./loader/pgsql2shp.wasm
emmake make raster-sql || true
# these flags are used in pgxs.mk (postgresql extension makefile) and passed to the build process of that extension
emmake make LDFLAGS_SL="-sWASM_BIGINT -sSIDE_MODULE=1 -fexceptions -Wl,--whole-archive -lstdc++ -lsqlite3 -lgeos -Wl,--no-whole-archive" \
CFLAGS_SL="-fexceptions -sWASM_BIGINT" \
CXXFLAGS_SL="-fexceptions -sWASM_BIGINT" -j || { echo 'emmake make postgis failed' ; exit 442; }
emmake make LDFLAGS_SL="-sWASM_BIGINT -sSIDE_MODULE=1 -fexceptions -Wl,--whole-archive -lgeos_c -Wl,--no-whole-archive -lstdc++ -lsqlite3 -lgeos -flto" \
CFLAGS_SL="-fexceptions -sWASM_BIGINT -Oz -flto -ffunction-sections -fdata-sections" \
CXXFLAGS_SL="-fexceptions -sWASM_BIGINT -Oz -flto -ffunction-sections -fdata-sections" -j || { echo 'emmake make postgis failed' ; exit 442; }
/emsdk/upstream/bin/wasm-opt -Oz postgis/postgis-3.so -o postgis/postgis-3.opt.so || { echo 'wasm-opt postgis failed' ; exit 443; }
mv postgis/postgis-3.opt.so postgis/postgis-3.so
# emmake make PG_LDFLAGS="-L/install/libs/lib -lpgport -lpgcommon -sSIDE_MODULE=1" -j

cd ..