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CMakeLists: Enable pkg-config on Windows #533

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CMakeLists: Enable pkg-config on Windows #533

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c21d531
CMakeLists: Enable pkg-config on Windows
jonaski Jan 26, 2024
2ab5b79
CMakeLists: Remove `-lz` from LIBS
jonaski Jun 8, 2024
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64 changes: 32 additions & 32 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -1037,23 +1037,27 @@ endif()

# Create pkgconfig files.
# We use the same files like ./configure, so we have to set its vars.
# Only do this on Windows for Cygwin - the files don't make much sense
# outside of a UNIX look-alike.
if(NOT WIN32 OR CYGWIN OR MINGW)
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix ${CMAKE_INSTALL_PREFIX})
set(libdir ${CMAKE_INSTALL_FULL_LIBDIR})
set(includedir ${CMAKE_INSTALL_FULL_INCLUDEDIR})
set(LIBS "-lz -lm")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}.pc
@ONLY)
create_symlink(libpng.pc FILE libpng${PNGLIB_ABI_VERSION}.pc)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}-config
@ONLY)
create_symlink(libpng-config FILE libpng${PNGLIB_ABI_VERSION}-config)
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix "\${prefix}")
if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}")
set(libdir "${CMAKE_INSTALL_LIBDIR}")
else()
set(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
endif()
if(IS_ABSOLUTE "${CMAKE_INSTALL_INCLUDEDIR}")
set(includedir "${CMAKE_INSTALL_INCLUDEDIR}")
else()
set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
endif()
set(LIBS "-lm")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}.pc
@ONLY)
create_symlink(libpng.pc FILE libpng${PNGLIB_ABI_VERSION}.pc)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}-config
@ONLY)
create_symlink(libpng-config FILE libpng${PNGLIB_ABI_VERSION}-config)

# Install.
if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
Expand Down Expand Up @@ -1089,12 +1093,10 @@ if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/libpng${PNGLIB_ABI_VERSION})
endif()
if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL)
if(NOT WIN32 OR CYGWIN OR MINGW)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
DESTINATION ${CMAKE_INSTALL_BINDIR})
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}-config
DESTINATION ${CMAKE_INSTALL_BINDIR})
endif()
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
DESTINATION ${CMAKE_INSTALL_BINDIR})
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}-config
DESTINATION ${CMAKE_INSTALL_BINDIR})
endif()

if(NOT SKIP_INSTALL_PROGRAMS AND NOT SKIP_INSTALL_ALL)
Expand All @@ -1109,16 +1111,14 @@ if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL)
install(FILES png.5
DESTINATION ${CMAKE_INSTALL_MANDIR}/man5)
# Install the pkg-config files.
if(NOT CMAKE_HOST_WIN32 OR CYGWIN OR MINGW)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
DESTINATION ${CMAKE_INSTALL_BINDIR})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}-config
DESTINATION ${CMAKE_INSTALL_BINDIR})
endif()
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
DESTINATION ${CMAKE_INSTALL_BINDIR})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}-config
DESTINATION ${CMAKE_INSTALL_BINDIR})
endif()

# Create an export file that CMake users can include() to import our targets.
Expand Down