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-rw-r--r--cmake/external/zlib.cmake34
1 files changed, 19 insertions, 15 deletions
diff --git a/cmake/external/zlib.cmake b/cmake/external/zlib.cmake
index a90a511..3206f77 100644
--- a/cmake/external/zlib.cmake
+++ b/cmake/external/zlib.cmake
@@ -14,27 +14,31 @@
include(ExternalProject)
+if(TARGET zlib)
+ return()
+endif()
+
# Use a system- or user-supplied zlib if available
find_package(ZLIB)
if(ZLIB_FOUND)
add_custom_target(zlib)
+ return()
+endif()
-else()
- ExternalProject_Add(
- zlib
+ExternalProject_Add(
+ zlib
- DOWNLOAD_DIR ${FIREBASE_DOWNLOAD_DIR}
- DOWNLOAD_NAME zlib-v1.2.11.tar.gz
- URL https://github.com/madler/zlib/archive/v1.2.11.tar.gz
- URL_HASH SHA256=629380c90a77b964d896ed37163f5c3a34f6e6d897311f1df2a7016355c45eff
+ DOWNLOAD_DIR ${FIREBASE_DOWNLOAD_DIR}
+ DOWNLOAD_NAME zlib-v1.2.11.tar.gz
+ URL https://github.com/madler/zlib/archive/v1.2.11.tar.gz
+ URL_HASH SHA256=629380c90a77b964d896ed37163f5c3a34f6e6d897311f1df2a7016355c45eff
- PREFIX ${PROJECT_BINARY_DIR}/external/zlib
+ PREFIX ${PROJECT_BINARY_DIR}/external/zlib
- CMAKE_ARGS
- -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
- -DCMAKE_INSTALL_PREFIX:STRING=${FIREBASE_INSTALL_DIR}
- -DBUILD_SHARED_LIBS:BOOL=OFF
+ CMAKE_ARGS
+ -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
+ -DCMAKE_INSTALL_PREFIX:STRING=${FIREBASE_INSTALL_DIR}
+ -DBUILD_SHARED_LIBS:BOOL=OFF
- TEST_COMMAND ""
- )
-endif()
+ TEST_COMMAND ""
+)