zlib-1.2.7

1 files changed, 48 insertions, 27 deletions

diff --git a/compat/zlib/CMakeLists.txt b/compat/zlib/CMakeLists.txt
index a64fe0b..7ee3bc4 100644
--- a/compat/zlib/CMakeLists.txt
+++ b/compat/zlib/CMakeLists.txt
@@ -3,9 +3,13 @@ set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
 
 project(zlib C)
 
-if(NOT DEFINED BUILD_SHARED_LIBS)
-    option(BUILD_SHARED_LIBS "Build a shared library form of zlib" ON)
-endif()
+set(VERSION "1.2.7")
+
+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")
+set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers")
+set(INSTALL_MAN_DIR "${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")
 
 include(CheckTypeSize)
 include(CheckFunctionExists)
@@ -56,23 +60,27 @@ if(MSVC)
     set(CMAKE_DEBUG_POSTFIX "d")
     add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
     add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
+    include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
 if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
     # If we're doing an out of source build and the user has a zconf.h
     # in their source tree...
     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)
-        message(FATAL_ERROR
-            "You must remove ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h "
-            "from the source tree.  This file is included with zlib "
-            "but CMake generates this file for you automatically "
-            "in the build directory.")
+        message(STATUS "Renaming")
+        message(STATUS "    ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h")
+        message(STATUS "to 'zconf.h.included' because this file is included with zlib")
+        message(STATUS "but CMake generates it automatically in the build directory.")
+        file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included)
   endif()
 endif()
 
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
-               ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
-include_directories(${CMAKE_CURRENT_BINARY_DIR})
+set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
+configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
+		${ZLIB_PC} @ONLY)
+configure_file(	${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
+		${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
+include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
 
 
 #============================================================================
@@ -110,18 +118,27 @@ set(ZLIB_SRCS
     trees.c
     uncompr.c
     zutil.c
-    win32/zlib1.rc
 )
 
+if(NOT MINGW)
+    set(ZLIB_SRCS ${ZLIB_SRCS}
+        win32/zlib1.rc # If present will override custom build rule below.
+    )
+endif()
+
 # parse the full version number from zlib.h and include in ZLIB_FULL_VERSION
 file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents)
-string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([0-9A-Za-z.]+)\".*"
+string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*"
     "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents})
 
 if(MINGW)
     # This gets us DLL resource information when compiling on MinGW.
+    if(NOT CMAKE_RC_COMPILER)
+        SET(CMAKE_RC_COMPILER windres.exe)
+    endif()
+
     add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
-                       COMMAND windres.exe
+                       COMMAND ${CMAKE_RC_COMPILER}
                             -D GCC_WINDRES
                             -I ${CMAKE_CURRENT_SOURCE_DIR}
                             -I ${CMAKE_CURRENT_BINARY_DIR}
@@ -130,9 +147,9 @@ if(MINGW)
     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)
@@ -148,43 +165,47 @@ endif()
 
 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)
+   set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,${CMAKE_CURRENT_SOURCE_DIR}/zlib.map")
 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
-        RUNTIME DESTINATION bin
-        ARCHIVE DESTINATION lib
-        LIBRARY DESTINATION lib )
+    install(TARGETS zlib zlibstatic
+        RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
+        ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
+        LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
 endif()
 if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
-    install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION include)
+    install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}")
+endif()
+if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
+    install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3")
 endif()
 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
-    install(FILES zlib.3 DESTINATION share/man/man3)
+    install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}")
 endif()
 
 #============================================================================
 # Example binaries
 #============================================================================
 
-add_executable(example example.c)
+add_executable(example test/example.c)
 target_link_libraries(example zlib)
 add_test(example example)
 
-add_executable(minigzip minigzip.c)
+add_executable(minigzip test/minigzip.c)
 target_link_libraries(minigzip zlib)
 
 if(HAVE_OFF64_T)
-    add_executable(example64 example.c)
+    add_executable(example64 test/example.c)
     target_link_libraries(example64 zlib)
     set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
     add_test(example64 example64)
 
-    add_executable(minigzip64 minigzip.c)
+    add_executable(minigzip64 test/minigzip.c)
     target_link_libraries(minigzip64 zlib)
     set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
 endif()