commit cd71ef302123032aed0accade96efaca3e1f33dd
author Christoph J. Thompson <cjsthompson@gmail.com> Sun Mar 11 10:17:57 2012 +0100
committer Mark Adler <madler@alumni.caltech.edu> Sun Mar 11 10:16:12 2012 -0700
tree d3ef11df07f9c09699cf58991283775a3eab7e67
parent ca6e7a0d552e3b54c0833658409e34f9de3bead6

Build both a static and a shared version of zlib with cmake.

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 26bb1d4..39d2104 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,10 +9,6 @@
 set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages")
 set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
 
-if(NOT DEFINED BUILD_SHARED_LIBS)
-    option(BUILD_SHARED_LIBS "Build a shared library form of zlib" ON)
-endif()
-
 include(CheckTypeSize)
 include(CheckFunctionExists)
 include(CheckIncludeFile)
@@ -147,9 +143,9 @@
     set(ZLIB_SRCS ${ZLIB_SRCS} ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
 endif(MINGW)
 
-add_library(zlib ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
 set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
-
 set_target_properties(zlib PROPERTIES SOVERSION 1)
 
 if(NOT CYGWIN)
@@ -165,14 +161,14 @@
 
 if(UNIX)
     # On unix-like platforms the library is almost always called libz
-   set_target_properties(zlib PROPERTIES OUTPUT_NAME z)
+   set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z)
 elseif(BUILD_SHARED_LIBS AND WIN32)
     # Creates zlib1.dll when building shared library version
     set_target_properties(zlib PROPERTIES SUFFIX "1.dll")
 endif()
 
 if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
-    install(TARGETS zlib
+    install(TARGETS zlib zlibstatic
         RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
         ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
         LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )