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authorBenjamin Eikel <cmake@eikel.org>2012-09-04 11:35:55 (GMT)
committerBrad King <brad.king@kitware.com>2012-09-25 17:51:19 (GMT)
commit2c3b8255c53d05c3cc8a9beb9f82072eda41e7e6 (patch)
treeba32e13456548d013fb9b1df98bf8e7405870978 /Modules/FindSDL_image.cmake
parentef5b439cc1363c0027266e59f2d26165f96b8368 (diff)
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FindSDL: Use SDL_IMAGE prefix for varibales
This makes FindPackageHandleStandardArgs and FeatureSummary work correctly. Keep old variables for compatibility. Furthermore, format the documentation.
Diffstat (limited to 'Modules/FindSDL_image.cmake')
-rw-r--r--Modules/FindSDL_image.cmake65
1 files changed, 40 insertions, 25 deletions
diff --git a/Modules/FindSDL_image.cmake b/Modules/FindSDL_image.cmake
index ae2bc69..d176691 100644
--- a/Modules/FindSDL_image.cmake
+++ b/Modules/FindSDL_image.cmake
@@ -1,9 +1,14 @@
-# Locate SDL_image library
-# This module defines
-# SDLIMAGE_LIBRARY, the name of the library to link against
-# SDLIMAGE_FOUND, if false, do not try to link to SDL
-# SDLIMAGE_INCLUDE_DIR, where to find SDL/SDL.h
-# SDLIMAGE_VERSION_STRING - human-readable string containing the version of SDL_image
+# - Locate SDL_image library
+# This module defines:
+# SDL_IMAGE_LIBRARIES, the name of the library to link against
+# SDL_IMAGE_INCLUDE_DIRS, where to find the headers
+# SDL_IMAGE_FOUND, if false, do not try to link against
+# SDL_IMAGE_VERSION_STRING - human-readable string containing the version of SDL_image
+#
+# For backward compatiblity the following variables are also set:
+# SDLIMAGE_LIBRARY (same value as SDL_IMAGE_LIBRARIES)
+# SDLIMAGE_INCLUDE_DIR (same value as SDL_IMAGE_INCLUDE_DIRS)
+# SDLIMAGE_FOUND (same value as SDL_IMAGE_FOUND)
#
# $SDLDIR is an environment variable that would
# correspond to the ./configure --prefix=$SDLDIR
@@ -26,7 +31,7 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
-find_path(SDLIMAGE_INCLUDE_DIR SDL_image.h
+find_path(SDL_IMAGE_INCLUDE_DIR SDL_image.h
HINTS
ENV SDLIMAGEDIR
ENV SDLDIR
@@ -44,7 +49,7 @@ find_path(SDLIMAGE_INCLUDE_DIR SDL_image.h
/opt
)
-find_library(SDLIMAGE_LIBRARY
+find_library(SDL_IMAGE_LIBRARY
NAMES SDL_image
HINTS
ENV SDLIMAGEDIR
@@ -59,24 +64,34 @@ find_library(SDLIMAGE_LIBRARY
/opt
)
-if(SDLIMAGE_INCLUDE_DIR AND EXISTS "${SDLIMAGE_INCLUDE_DIR}/SDL_image.h")
- file(STRINGS "${SDLIMAGE_INCLUDE_DIR}/SDL_image.h" SDLIMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
- file(STRINGS "${SDLIMAGE_INCLUDE_DIR}/SDL_image.h" SDLIMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
- file(STRINGS "${SDLIMAGE_INCLUDE_DIR}/SDL_image.h" SDLIMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
- string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDLIMAGE_VERSION_MAJOR "${SDLIMAGE_VERSION_MAJOR_LINE}")
- string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDLIMAGE_VERSION_MINOR "${SDLIMAGE_VERSION_MINOR_LINE}")
- string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDLIMAGE_VERSION_PATCH "${SDLIMAGE_VERSION_PATCH_LINE}")
- set(SDLIMAGE_VERSION_STRING ${SDLIMAGE_VERSION_MAJOR}.${SDLIMAGE_VERSION_MINOR}.${SDLIMAGE_VERSION_PATCH})
- unset(SDLIMAGE_VERSION_MAJOR_LINE)
- unset(SDLIMAGE_VERSION_MINOR_LINE)
- unset(SDLIMAGE_VERSION_PATCH_LINE)
- unset(SDLIMAGE_VERSION_MAJOR)
- unset(SDLIMAGE_VERSION_MINOR)
- unset(SDLIMAGE_VERSION_PATCH)
+if(SDL_IMAGE_INCLUDE_DIR AND EXISTS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h")
+ file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
+ file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
+ file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
+ string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MAJOR "${SDL_IMAGE_VERSION_MAJOR_LINE}")
+ string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MINOR "${SDL_IMAGE_VERSION_MINOR_LINE}")
+ string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_PATCH "${SDL_IMAGE_VERSION_PATCH_LINE}")
+ set(SDL_IMAGE_VERSION_STRING ${SDL_IMAGE_VERSION_MAJOR}.${SDL_IMAGE_VERSION_MINOR}.${SDL_IMAGE_VERSION_PATCH})
+ unset(SDL_IMAGE_VERSION_MAJOR_LINE)
+ unset(SDL_IMAGE_VERSION_MINOR_LINE)
+ unset(SDL_IMAGE_VERSION_PATCH_LINE)
+ unset(SDL_IMAGE_VERSION_MAJOR)
+ unset(SDL_IMAGE_VERSION_MINOR)
+ unset(SDL_IMAGE_VERSION_PATCH)
endif()
+set(SDL_IMAGE_LIBRARIES ${SDL_IMAGE_LIBRARY})
+set(SDL_IMAGE_INCLUDE_DIRS ${SDL_IMAGE_INCLUDE_DIR})
+
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLIMAGE
- REQUIRED_VARS SDLIMAGE_LIBRARY SDLIMAGE_INCLUDE_DIR
- VERSION_VAR SDLIMAGE_VERSION_STRING)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_image
+ REQUIRED_VARS SDL_IMAGE_LIBRARIES SDL_IMAGE_INCLUDE_DIRS
+ VERSION_VAR SDL_IMAGE_VERSION_STRING)
+
+# for backward compatiblity
+set(SDLIMAGE_LIBRARY ${SDL_IMAGE_LIBRARIES})
+set(SDLIMAGE_INCLUDE_DIR ${SDL_IMAGE_INCLUDE_DIRS})
+set(SDLIMAGE_FOUND ${SDL_IMAGE_FOUND})
+
+mark_as_advanced(SDL_IMAGE_LIBRARY SDL_IMAGE_INCLUDE_DIR)