Revision: 77588
http://sourceforge.net/p/brlcad/code/77588
Author: starseeker
Date: 2020-10-23 02:56:07 +0000 (Fri, 23 Oct 2020)
Log Message:
-----------
Whoops, missed png.cmake
Added Paths:
-----------
brlcad/branches/extbuild/src/other/ext/png.cmake
Added: brlcad/branches/extbuild/src/other/ext/png.cmake
===================================================================
--- brlcad/branches/extbuild/src/other/ext/png.cmake
(rev 0)
+++ brlcad/branches/extbuild/src/other/ext/png.cmake 2020-10-23 02:56:07 UTC
(rev 77588)
@@ -0,0 +1,104 @@
+# NOTE: we need to have libpng's internal call to find_package looking for zlib
+# locate our local copy if we have one. Defining the ZLIB_ROOT prefix for
+# find_package and setting the library file to our custom library name is
+# intended to do this (requires CMake 3.12).
+
+set(png_DESCRIPTION "
+Option for enabling and disabling compilation of the Portable Network
+Graphics library provided with BRL-CAD's source distribution. Default
+is AUTO, responsive to the toplevel BRLCAD_BUNDLED_LIBS option and
+testing first for a system version if BRLCAD_BUNDLED_LIBS is also
+AUTO.
+")
+
+# We generally don't want the Mac framework libpng...
+set(CMAKE_FIND_FRAMEWORK LAST)
+
+THIRD_PARTY(png PNG png
+ png_DESCRIPTION
+ REQUIRED_VARS BRLCAD_LEVEL2
+ ALIASES ENABLE_PNG
+ RESET_VARS PNG_LIBRARY_DEBUG PNG_LIBRARY_RELEASE
+ )
+
+if (BRLCAD_PNG_BUILD)
+
+ set(PNG_VERSION_MAJOR 16)
+ set(PNG_VERSION_MINOR 37)
+ set(PNG_LIB_NAME png_brl)
+
+ if (MSVC)
+ set(PNG_BASENAME ${PNG_LIB_NAME})
+ set(PNG_SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX})
+ else (MSVC)
+ set(PNG_BASENAME lib${PNG_LIB_NAME})
+ set(PNG_SUFFIX
${CMAKE_SHARED_LIBRARY_SUFFIX}.${PNG_VERSION_MAJOR}.${PNG_VERSION_MINOR}.0)
+ endif (MSVC)
+
+ set(PNG_DEPS)
+ if (TARGET ZLIB_BLD)
+ set(ZLIB_TARGET ZLIB_BLD)
+ list(APPEND PNG_DEPS ZLIB_BLD zlib_stage)
+ endif (TARGET ZLIB_BLD)
+
+ set(PNG_INSTDIR ${CMAKE_BINARY_ROOT}/ext/png)
+
+ if (MSVC)
+ set(ZLIB_LIBRARY ${CMAKE_BINARY_ROOT}/${LIB_DIR}/${ZLIB_BASENAME}.lib)
+ else (MSVC)
+ set(ZLIB_LIBRARY
${CMAKE_BINARY_ROOT}/${LIB_DIR}/${ZLIB_BASENAME}${CMAKE_SHARED_LIBRARY_SUFFIX})
+ endif (MSVC)
+
+ ExternalProject_Add(PNG_BLD
+ SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/png"
+ BUILD_ALWAYS ${EXTERNAL_BUILD_UPDATE} ${LOG_OPTS}
+ CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${PNG_INSTDIR}
-DCMAKE_INSTALL_LIBDIR=${LIB_DIR}
+ -DCMAKE_INSTALL_RPATH=${CMAKE_BUILD_RPATH}
-DSKIP_INSTALL_EXPORT=ON
+ -DPNG_STATIC=${BUILD_STATIC_LIBS} -DSKIP_INSTALL_EXECUTABLES=ON
-DSKIP_INSTALL_FILES=ON
+ -DSKIP_INSTALL_EXPORT=ON -DPNG_TESTS=OFF -Dld-version-script=OFF
+ -DZLIB_ROOT=$<$<BOOL:${ZLIB_TARGET}>:${CMAKE_BINARY_ROOT}>
+ -DZLIB_LIBRARY=$<$<BOOL:${ZLIB_TARGET}>:${ZLIB_LIBRARY}>
+ $<$<BOOL:${ZLIB_TARGET}>:-DZ_PREFIX=ON>
+ $<$<BOOL:${ZLIB_TARGET}>:-DZ_PREFIX_STR=${Z_PREFIX_STR}>
+ -DPNG_LIB_NAME=${PNG_LIB_NAME} -DPNG_PREFIX=brl_
+ DEPENDS ${PNG_DEPS}
+ )
+
+ # Tell the parent build about files and libraries
+ ExternalProject_Target(SHARED png PNG_BLD ${PNG_INSTDIR}
+ ${PNG_BASENAME}${PNG_SUFFIX}
+ SYMLINKS
${PNG_BASENAME}${CMAKE_SHARED_LIBRARY_SUFFIX};${PNG_BASENAME}${CMAKE_SHARED_LIBRARY_SUFFIX}.${PNG_VERSION_MAJOR};${PNG_BASENAME}${CMAKE_STATIC_LIBRARY_SUFFIX}
+ LINK_TARGET ${PNG_BASENAME}${CMAKE_SHARED_LIBRARY_SUFFIX}
+ RPATH
+ )
+ ExternalProject_Target(STATIC png-static PNG_BLD ${PNG_INSTDIR}
+ ${PNG_BASENAME}${CMAKE_STATIC_LIBRARY_SUFFIX}
+ )
+
+ ExternalProject_ByProducts(png PNG_BLD ${PNG_INSTDIR} ${INCLUDE_DIR}
+ png.h
+ pngconf.h
+ pnglibconf.h
+ libpng${PNG_VERSION_MAJOR}/png.h
+ libpng${PNG_VERSION_MAJOR}/pngconf.h
+ libpng${PNG_VERSION_MAJOR}/pnglibconf.h
+ )
+
+ set(PNG_LIBRARY_DEBUG png CACHE STRING "Building bundled libpng" FORCE)
+ set(PNG_LIBRARY_RELEASE png CACHE STRING "Building bundled libpng" FORCE)
+ set(PNG_LIBRARIES png CACHE STRING "Building bundled libpng" FORCE)
+ set(PNG_PNG_INCLUDE_DIR "${CMAKE_BINARY_ROOT}/${INCLUDE_DIR}" CACHE STRING
"Directory containing libpng headers." FORCE)
+ set(PNG_INCLUDE_DIRS "${CMAKE_BINARY_ROOT}/${INCLUDE_DIR}" CACHE STRING
"Directory containing libpng headers." FORCE)
+
+ SetTargetFolder(PNG_BLD "Third Party Libraries")
+ SetTargetFolder(png "Third Party Libraries")
+
+endif (BRLCAD_PNG_BUILD)
+
+# Local Variables:
+# tab-width: 8
+# mode: cmake
+# indent-tabs-mode: t
+# End:
+# ex: shiftwidth=2 tabstop=8
+
Property changes on: brlcad/branches/extbuild/src/other/ext/png.cmake
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