[zlib] Patch to not build more things than needed

3 files changed, 51 insertions, 6 deletions

diff --git a/ports/zlib/CONTROL b/ports/zlib/CONTROL
index 30fe58949..c55963783 100644
--- a/ports/zlib/CONTROL
+++ b/ports/zlib/CONTROL
@@ -1,3 +1,3 @@
 Source: zlib
-Version: 1.2.11-2
+Version: 1.2.11-3
 Description: A compression library
diff --git a/ports/zlib/cmake_dont_build_more_than_needed.patch b/ports/zlib/cmake_dont_build_more_than_needed.patch
new file mode 100644
index 000000000..229a2d055
--- /dev/null
+++ b/ports/zlib/cmake_dont_build_more_than_needed.patch
@@ -0,0 +1,42 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 0fe939d..8d2f5f1 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -7,6 +7,7 @@ set(VERSION "1.2.11")
+ 
+ option(ASM686 "Enable building i686 assembly implementation")
+ option(AMD64 "Enable building amd64 assembly implementation")
++option(SKIP_BUILD_EXAMPLES "Skip build of the examples" OFF)
+ 
+ set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables")
+ set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries")
+@@ -211,7 +212,15 @@ elseif(BUILD_SHARED_LIBS AND WIN32)
+ endif()
+ 
+ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
+-    install(TARGETS zlib zlibstatic
++    if (BUILD_SHARED_LIBS)
++        set(ZLIB_TARGETS zlib)
++        set_target_properties(zlibstatic PROPERTIES EXCLUDE_FROM_ALL ON)
++    else()
++        set(ZLIB_TARGETS zlibstatic)
++        set_target_properties(zlib PROPERTIES EXCLUDE_FROM_ALL ON)
++    endif()
++
++    install(TARGETS ${ZLIB_TARGETS}
+         RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
+         ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
+         LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
+@@ -230,6 +239,7 @@ endif()
+ # Example binaries
+ #============================================================================
+ 
++if (NOT SKIP_BUILD_EXAMPLES)
+ add_executable(example test/example.c)
+ target_link_libraries(example zlib)
+ add_test(example example)
+@@ -247,3 +257,4 @@ if(HAVE_OFF64_T)
+     target_link_libraries(minigzip64 zlib)
+     set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
+ endif()
++endif()
diff --git a/ports/zlib/portfile.cmake b/ports/zlib/portfile.cmake
index f69c51bea..c41d61bda 100644
--- a/ports/zlib/portfile.cmake
+++ b/ports/zlib/portfile.cmake
@@ -7,11 +7,18 @@ vcpkg_download_distfile(ARCHIVE_FILE
 )
 vcpkg_extract_source_archive(${ARCHIVE_FILE})
 
+vcpkg_apply_patches(
+    SOURCE_PATH ${SOURCE_PATH}
+    PATCHES
+    ${CMAKE_CURRENT_LIST_DIR}/cmake_dont_build_more_than_needed.patch
+)
+
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
     PREFER_NINJA
     OPTIONS
         -DSKIP_INSTALL_FILES=ON
+        -DSKIP_BUILD_EXAMPLES=ON
     OPTIONS_DEBUG
         -DSKIP_INSTALL_HEADERS=ON
 )
@@ -19,11 +26,7 @@ vcpkg_configure_cmake(
 vcpkg_install_cmake()
 
 # Both dynamic and static are built, so keep only the one needed
-if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
-    file(REMOVE ${CURRENT_PACKAGES_DIR}/lib/zlibstatic.lib ${CURRENT_PACKAGES_DIR}/debug/lib/zlibstaticd.lib)
-else()
-    file(REMOVE ${CURRENT_PACKAGES_DIR}/lib/zlib.lib ${CURRENT_PACKAGES_DIR}/debug/lib/zlibd.lib)
-    file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/bin ${CURRENT_PACKAGES_DIR}/debug/bin)
+if(VCPKG_LIBRARY_LINKAGE STREQUAL static)
     file(RENAME ${CURRENT_PACKAGES_DIR}/lib/zlibstatic.lib ${CURRENT_PACKAGES_DIR}/lib/zlib.lib)
     file(RENAME ${CURRENT_PACKAGES_DIR}/debug/lib/zlibstaticd.lib ${CURRENT_PACKAGES_DIR}/debug/lib/zlibd.lib)
 endif()