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authorEthan Morgan <ethan@gweithio.com>2026-02-14 16:44:06 +0000
committerEthan Morgan <ethan@gweithio.com>2026-02-14 16:44:06 +0000
commit54409423f767d8b1cf30cb7d0efca6b4ca138823 (patch)
treed915ac7828703ce4b963efdd9728a1777ba18c1e /vcpkg/ports/libpng/cmake.patch
move to own git serverHEADmaster
Diffstat (limited to 'vcpkg/ports/libpng/cmake.patch')
-rw-r--r--vcpkg/ports/libpng/cmake.patch92
1 files changed, 92 insertions, 0 deletions
diff --git a/vcpkg/ports/libpng/cmake.patch b/vcpkg/ports/libpng/cmake.patch
new file mode 100644
index 0000000..ebac200
--- /dev/null
+++ b/vcpkg/ports/libpng/cmake.patch
@@ -0,0 +1,92 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index d91e3a6c3..249d04c0f 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -144,6 +144,12 @@ set(PNG_LINK_LIBRARIES ZLIB::ZLIB)
+ # Find the math library (unless we already know it's not available or
+ # not needed).
+ if(UNIX AND NOT (APPLE OR BEOS OR HAIKU OR EMSCRIPTEN))
++ block(SCOPE_FOR VARIABLES)
++ if(VCPKG_CRT_LINKAGE STREQUAL "static")
++ list(PREPEND CMAKE_FIND_LIBRARY_SUFFIXES "${CMAKE_STATIC_LIBRARY_SUFFIX}")
++ endif()
++ check_library_exists(m pow "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}" PNG_HAVE_LIBM_POW)
++ endblock()
+ check_library_exists(m pow "" PNG_HAVE_LIBM_POW)
+ endif()
+ if(PNG_HAVE_LIBM_POW)
+@@ -240,9 +246,9 @@ if(PNG_HARDWARE_OPTIMIZATIONS)
+
+ # Set definitions and sources for MIPS.
+ if(PNG_TARGET_ARCHITECTURE MATCHES "^(mipsel|mips64el)")
+- set(PNG_MIPS_MSA_POSSIBLE_VALUES on off)
++ set(PNG_MIPS_MSA_POSSIBLE_VALUES on off check)
+ set(PNG_MIPS_MSA
+- "on"
++ "check"
+ CACHE STRING "Enable MIPS_MSA optimizations: on|off; on is default")
+ set_property(CACHE PNG_MIPS_MSA
+ PROPERTY STRINGS ${PNG_MIPS_MSA_POSSIBLE_VALUES})
+@@ -269,6 +275,12 @@ if(PNG_HARDWARE_OPTIMIZATIONS)
+ mips/filter_mmi_inline_assembly.c)
+ add_definitions(-DPNG_MIPS_MSA_OPT=2)
+ add_definitions(-DPNG_MIPS_MMI_OPT=1)
++ elseif(PNG_MIPS_MSA STREQUAL "check")
++ set(libpng_mips_sources
++ mips/mips_init.c
++ mips/filter_msa_intrinsics.c)
++ add_definitions(-DPNG_MIPS_MSA_CHECK_SUPPORTED)
++ add_definitions(-DPNG_MIPS_MMI_CHECK_SUPPORTED)
+ elseif(PNG_MIPS_MSA STREQUAL "on")
+ set(libpng_mips_sources
+ mips/mips_init.c
+@@ -661,7 +673,7 @@ else()
+ # We also need to use a custom suffix, in order to distinguish between the
+ # shared import library name and the static library name.
+ set(PNG_SHARED_OUTPUT_NAME "libpng${PNGLIB_ABI_VERSION}")
+- set(PNG_STATIC_OUTPUT_NAME "libpng${PNGLIB_ABI_VERSION}_static")
++ set(PNG_STATIC_OUTPUT_NAME "libpng${PNGLIB_ABI_VERSION}")
+ endif()
+
+ if(PNG_SHARED)
+@@ -939,10 +951,10 @@ if(PNG_TESTS AND PNG_SHARED)
+ FILES ${PNGSUITE_PNGS})
+ endif()
+
+-if(PNG_SHARED AND PNG_TOOLS)
++if(PNG_TOOLS)
+ add_executable(pngfix ${pngfix_sources})
+ target_link_libraries(pngfix
+- PRIVATE png_shared)
++ PRIVATE $<TARGET_NAME_IF_EXISTS:png_shared> $<TARGET_NAME_IF_EXISTS:png_static>) # in vcpkg there's only one
+ set(PNG_BIN_TARGETS pngfix)
+
+ add_executable(png-fix-itxt ${png_fix_itxt_sources})
+@@ -1028,12 +1040,15 @@ endif()
+ # We use the same files like ./configure, so we have to set its vars.
+ # Only do this on Windows for Cygwin - the files don't make much sense
+ # outside of a UNIX look-alike.
+-if(NOT WIN32 OR CYGWIN OR MINGW)
++if(1)
+ set(prefix "${CMAKE_INSTALL_PREFIX}")
+ set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
+ set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
+ set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+- set(LIBS "-lz -lm")
++ set(LIBS "")
++ if(PNG_HAVE_LIBM_POW)
++ string(APPEND LIBS "-lm")
++ endif()
+ configure_file("${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in"
+ "${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}.pc"
+ @ONLY)
+@@ -1092,6 +1107,9 @@ if(NOT SKIP_INSTALL_PROGRAMS AND NOT SKIP_INSTALL_ALL)
+ endif()
+
+ if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL)
++ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}.pc
++ DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
++elseif(0)
+ # Install the man pages.
+ install(FILES libpng.3 libpngpf.3
+ DESTINATION "${CMAKE_INSTALL_MANDIR}/man3")