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| author | Rolf Eike Beer <eike@sf-mail.de> | 2013-07-27 22:35:11 +0200 |
|---|---|---|
| committer | Rolf Eike Beer <eike@sf-mail.de> | 2013-07-27 22:35:11 +0200 |
| commit | 2a7975398f4e7fb02887539c19bea5f390f1156f (patch) | |
| tree | 6ce2d40528f473b483f93e468968da3979625197 /Modules/FindPNG.cmake | |
| parent | 46558d290be1760828714545f41afae17b0c71c9 (diff) | |
| download | cmake-2a7975398f4e7fb02887539c19bea5f390f1156f.tar.gz | |
FindPNG: improve library detection (#14301)
-add support for upcoming version 1.7
-improve version selection, use the major and minor of the requested version
to generate the library suffix list
-support detection of release and debug libraries
Diffstat (limited to 'Modules/FindPNG.cmake')
| -rw-r--r-- | Modules/FindPNG.cmake | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/Modules/FindPNG.cmake b/Modules/FindPNG.cmake index fef4669298..33c29714f7 100644 --- a/Modules/FindPNG.cmake +++ b/Modules/FindPNG.cmake @@ -39,10 +39,37 @@ if(ZLIB_FOUND) ) list(APPEND PNG_NAMES png libpng) - foreach(v 16 15 14 12) - list(APPEND PNG_NAMES png${v} libpng${v} png${v}d libpng${v}d) + unset(PNG_NAMES_DEBUG) + set(_PNG_VERSION_SUFFIXES 17 16 15 14 12) + if (PNG_FIND_VERSION MATCHES "^[0-9]+\\.[0-9]+(\\..*)?$") + string(REGEX REPLACE + "^([0-9]+)\\.([0-9]+).*" "\\1\\2" + _PNG_VERSION_SUFFIX_MIN "${PNG_FIND_VERSION}") + if (PNG_FIND_VERSION_EXACT) + set(_PNG_VERSION_SUFFIXES ${_PNG_VERSION_SUFFIX_MIN}) + else () + string(REGEX REPLACE + "${_PNG_VERSION_SUFFIX_MIN}.*" "${_PNG_VERSION_SUFFIX_MIN}" + _PNG_VERSION_SUFFIXES "${_PNG_VERSION_SUFFIXES}") + endif () + unset(_PNG_VERSION_SUFFIX_MIN) + endif () + foreach(v IN LISTS _PNG_VERSION_SUFFIXES) + list(APPEND PNG_NAMES png${v} libpng${v}) + list(APPEND PNG_NAMES_DEBUG png${v}d libpng${v}d) endforeach() - find_library(PNG_LIBRARY NAMES ${PNG_NAMES} ) +message(STATUS "PNG r: ${PNG_NAMES} d: ${PNG_NAMES_DEBUG}") + unset(_PNG_VERSION_SUFFIXES) + find_library(PNG_LIBRARY_RELEASE NAMES ${PNG_NAMES}) + find_library(PNG_LIBRARY_DEBUG NAMES ${PNG_NAMES_DEBUG}) + unset(PNG_NAMES) + unset(PNG_NAMES_DEBUG) + + include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) + select_library_configurations(PNG) + # Set by select_library_configurations(), but we want the one from + # find_package_handle_standard_args() below. + unset(PNG_FOUND) if (PNG_LIBRARY AND PNG_PNG_INCLUDE_DIR) # png.h includes zlib.h. Sigh. |