deps/zlib: use same flags as Yggdrasil

https://github.com/JuliaPackaging/Yggdrasil/blob/7e15aedbaca12e9c79cd1415fd03129665bcfeff/Z/Zlib/build_tarballs.jl#L19-L24
pcjentsch · Jul 3, 2022 · 55b4beb · 55b4beb
1 parent 755c552
commit 55b4beb
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/deps/zlib.mk b/deps/zlib.mk
@@ -4,9 +4,13 @@ ZLIB_GIT_URL := https://github.com/madler/zlib.git
 ZLIB_TAR_URL = https://api.github.com/repos/madler/zlib/tarball/$1
 $(eval $(call git-external,zlib,ZLIB,,,$(SRCCACHE)))
 
+# use `-DUNIX=true` to ensure that it is always named `libz`
+ZLIB_BUILD_OPTS := $(CMAKE_COMMON) -DCMAKE_BUILD_TYPE=Release -DUNIX=true
+ZLIB_BUILD_OPTS += -DCMAKE_POSITION_INDEPENDENT_CODE=ON 
+
 $(BUILDDIR)/$(ZLIB_SRC_DIR)/build-configured: $(SRCCACHE)/$(ZLIB_SRC_DIR)/source-extracted
  mkdir -p $(dir $@)
- cd $(dir $@) && $(CMAKE) -DCMAKE_INSTALL_PREFIX=$(abspath $(build_prefix)) -DCMAKE_BUILD_TYPE=Release -DUNIX=true $(dir $<)
+ cd $(dir $@) && $(CMAKE) $(ZLIB_BUILD_OPTS) $(dir $<)
  echo 1 > $@
 
 $(BUILDDIR)/$(ZLIB_SRC_DIR)/build-compiled: $(BUILDDIR)/$(ZLIB_SRC_DIR)/build-configured