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[master] Revised CMakeLists.txt (Philip Lowman).

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Glenn Randers-Pehrson 2010-09-13 08:13:09 -05:00
parent afb77541b4
commit 185cd6c058
2 changed files with 99 additions and 42 deletions
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6
ANNOUNCE
View File

@ -1,5 +1,5 @@
Libpng 1.4.4rc02 - September 10, 2010 Libpng 1.4.4rc02 - September 13, 2010
This is not intended to be a public release. It will be replaced This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version. within a few weeks by a public version or by another test version.
@ -77,8 +77,8 @@ version 1.4.4beta08 [September 2, 2010]
version 1.4.4rc01 [September 10, 2010] version 1.4.4rc01 [September 10, 2010]
No changes. No changes.
version 1.4.4rc02 [September 10, 2010] version 1.4.4rc02 [September 13, 2010]
Revised CMakeLists.txt (Philip Lowman).
Send comments/corrections/commendations to glennrp at users.sourceforge.net Send comments/corrections/commendations to glennrp at users.sourceforge.net
or to png-mng-implement at lists.sf.net (subscription required; visit or to png-mng-implement at lists.sf.net (subscription required; visit

135
CMakeLists.txt
View File

@ -1,14 +1,19 @@
cmake_minimum_required(VERSION 2.4.3) cmake_minimum_required(VERSION 2.4.4)
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true) set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE) if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING if(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION EQUAL 4)
"Choose the type of build, options are: # workaround CMake 2.4.x bug
None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
Debug else()
Release set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
RelWithDebInfo "Choose the type of build, options are:
MinSizeRel.") None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
Debug
Release
RelWithDebInfo
MinSizeRel.")
endif()
endif() endif()
project(libpng C) project(libpng C)
@ -91,7 +96,7 @@ else()
endif() endif()
# SET LIBNAME # SET LIBNAME
set(PNG_LIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR}) set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
# to distinguish between debug and release lib # to distinguish between debug and release lib
set(CMAKE_DEBUG_POSTFIX "d") set(CMAKE_DEBUG_POSTFIX "d")
@ -101,7 +106,7 @@ set(CMAKE_DEBUG_POSTFIX "d")
set(libpng_sources set(libpng_sources
png.h png.h
pngconf.h pngconf.h
pngpriv.h pngpriv.h
png.c png.c
pngerror.c pngerror.c
pngget.c pngget.c
@ -167,6 +172,7 @@ if(PNG_SHARED)
if(MSVC) if(MSVC)
# msvc does not append 'lib' - do it here to have consistent name # msvc does not append 'lib' - do it here to have consistent name
set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib") set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib")
set_target_properties(${PNG_LIB_NAME} PROPERTIES IMPORT_PREFIX "lib")
endif() endif()
target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY}) target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
endif() endif()
@ -179,6 +185,7 @@ if(PNG_STATIC)
# msvc does not append 'lib' - do it here to have consistent name # msvc does not append 'lib' - do it here to have consistent name
set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib") set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib")
endif() endif()
target_link_libraries(${PNG_LIB_NAME_STATIC} ${ZLIB_LIBRARY} ${M_LIBRARY})
endif() endif()
@ -193,6 +200,26 @@ if(PNG_TESTS AND PNG_SHARED)
add_test(pngtest pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png) add_test(pngtest pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
endif() endif()
#
# Set a variable with CMake code which:
# Creates a symlink from src to dest (if possible) or alternatively
# copies if different.
macro(_png_generate_symlink_code CODE SRC DEST)
if(WIN32 AND NOT CYGWIN)
set(_png_gsc_message "Copying ${SRC} to ${DEST} if needed")
set(_png_gsc_operation "copy_if_different")
else()
set(_png_gsc_message "Symlinking ${SRC} to ${DEST}")
set(_png_gsc_operation "create_symlink")
endif()
set(${CODE} "
message(STATUS \"${_png_gsc_message}\")
execute_process(COMMAND \${CMAKE_COMMAND} -E ${_png_gsc_operation}
\"${SRC}\"
\"${DEST}\")
")
endmacro()
# CREATE PKGCONFIG FILES # CREATE PKGCONFIG FILES
# we use the same files like ./configure, so we have to set its vars # we use the same files like ./configure, so we have to set its vars
@ -204,18 +231,15 @@ set(exec_prefix ${CMAKE_INSTALL_PREFIX})
set(libdir ${CMAKE_INSTALL_LIBDIR}) set(libdir ${CMAKE_INSTALL_LIBDIR})
set(includedir ${CMAKE_INSTALL_PREFIX}/include) set(includedir ${CMAKE_INSTALL_PREFIX}/include)
set(LIBS "-lz -lm") set(LIBS "-lz -lm")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY) ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY)
install(CODE " _png_generate_symlink_code(PNG_PC_INSTALL_CODE ${PNGLIB_NAME}.pc libpng.pc)
MESSAGE(STATUS \"Symlinking ${PNGLIB_NAME}.pc to libpng.pc\") install(CODE ${PNG_PC_INSTALL_CODE})
execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink
\"${PNGLIB_NAME}.pc\" configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
\"libpng.pc\")
")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY) ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
install(CODE " _png_generate_symlink_code(PNG_CONFIG_INSTALL_CODE ${PNGLIB_NAME}-config libpng-config)
install(CODE ${PNG_CONFIG_INSTALL_CODE})
MESSAGE(STATUS \"Symlinking ${PNGLIB_NAME}-config to libpng-config\") MESSAGE(STATUS \"Symlinking ${PNGLIB_NAME}-config to libpng-config\")
execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink
\"${PNGLIB_NAME}-config\" \"${PNGLIB_NAME}-config\"
@ -231,40 +255,64 @@ if(PNG_SHARED)
CLEAN_DIRECT_OUTPUT 1) CLEAN_DIRECT_OUTPUT 1)
endif() endif()
if(PNG_STATIC) if(PNG_STATIC)
if(NOT WIN32) # MSVC doesn't use a different file extension for shared vs. static
# that's uncool on win32 - it overwrites our static import lib... # libs. We are able to change OUTPUT_NAME to remove the _static
# for all other platforms.
if(NOT MSVC)
set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
OUTPUT_NAME ${PNG_LIB_NAME} OUTPUT_NAME ${PNG_LIB_NAME}
CLEAN_DIRECT_OUTPUT 1) CLEAN_DIRECT_OUTPUT 1)
endif() endif()
endif() endif()
# If CMake > 2.4.x, we set a variable used below to export
# targets to an export file.
# TODO: Use VERSION_GREATER after our cmake_minimum_required >= 2.6.2
if(CMAKE_MAJOR_VERSION GREATER 1 AND CMAKE_MINOR_VERSION GREATER 4)
set(PNG_EXPORT_RULE EXPORT libpng)
elseif(CMAKE_MAJOR_VERSION GREATER 2) # future proof
set(PNG_EXPORT_RULE EXPORT libpng)
endif()
# INSTALL # INSTALL
if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
if(PNG_SHARED) if(PNG_SHARED)
install(TARGETS ${PNG_LIB_NAME} install(TARGETS ${PNG_LIB_NAME}
RUNTIME DESTINATION bin ${PNG_EXPORT_RULE}
RUNTIME DESTINATION bin
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(CODE "
MESSAGE(STATUS \"Symlinking ${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX} to libpng${CMAKE_SHARED_LIBRARY_SUFFIX}\") # Create a symlink for libpng.dll.a => libpng14.dll.a on Cygwin
execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink if(CYGWIN)
\"${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}\" _png_generate_symlink_code(PNG_SHARED_IMPLIB_INSTALL_CODE
\"libpng${CMAKE_SHARED_LIBRARY_SUFFIX}\") ${PNGLIB_NAME}${CMAKE_IMPORT_LIBRARY_SUFFIX}
") libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR}) install(CODE ${PNG_SHARED_IMPLIB_INSTALL_CODE})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
if(NOT WIN32)
_png_generate_symlink_code(PNG_SHARED_INSTALL_CODE
${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}
libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
install(CODE ${PNG_SHARED_INSTALL_CODE})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
endif() endif()
if(PNG_STATIC) if(PNG_STATIC)
install(TARGETS ${PNG_LIB_NAME_STATIC} install(TARGETS ${PNG_LIB_NAME_STATIC}
${PNG_EXPORT_RULE}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(CODE " if(NOT WIN32 OR CYGWIN)
MESSAGE(STATUS \"Symlinking ${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX} to libpng${CMAKE_STATIC_LIBRARY_SUFFIX}\") _png_generate_symlink_code(PNG_STATIC_INSTALL_CODE
execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink ${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}
\"${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}\" libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
\"libpng${CMAKE_STATIC_LIBRARY_SUFFIX}\") install(CODE ${PNG_STATIC_INSTALL_CODE})
") install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR}) endif()
endif() endif()
endif() endif()
@ -279,8 +327,11 @@ if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
endif() endif()
if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
# Install man pages # Install man pages
install(FILES libpng.3 libpngpf.3 DESTINATION share/man/man3) if(NOT PNG_MAN_DIR)
install(FILES png.5 DESTINATION share/man/man5) set(PNG_MAN_DIR "share/man")
endif()
install(FILES libpng.3 libpngpf.3 DESTINATION ${PNG_MAN_DIR}/man3)
install(FILES png.5 DESTINATION ${PNG_MAN_DIR}/man5)
# Install pkg-config files # Install pkg-config files
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
@ -292,6 +343,12 @@ if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
DESTINATION bin) DESTINATION bin)
endif() endif()
# On versions of CMake that support it, create an export file CMake
# users can include() to import our targets
if(PNG_EXPORT_RULE AND NOT SKIP_INSTALL_EXPORT AND NOT SKIP_INSTALL_ALL )
install(EXPORT libpng DESTINATION lib/libpng FILE lib${PNG_LIB_NAME}.cmake)
endif()
# what's with libpng.txt and all the extra files? # what's with libpng.txt and all the extra files?