cmake 查找库和头文件的例子

IF (WIN32)
FIND_PATH( FOO_INCLUDE_PATH foo/foo.h
$ENV{PROGRAMFILES}/foo-0.1/include
DOC "The directory where foo/foo.h resides")
FIND_LIBRARY( FOO_LIBRARY
NAMES foo
PATHS
$ENV{PROGRAMFILES}/foo-0.1/lib
DOC "The Foo library")
ELSE (WIN32)
FIND_PATH( FOO_INCLUDE_PATH foo/foo.h
/usr/include
/usr/local/include
/sw/include
/opt/local/include
DOC "The directory where foo/foo.h resides")
FIND_LIBRARY( FOO_LIBRARY
NAMES foo
PATHS
/usr/lib64
/usr/lib
/usr/local/lib64
/usr/local/lib
/sw/lib
/opt/local/lib
DOC "The Foo library")
ENDIF (WIN32)

IF (FOO_INCLUDE_PATH)
SET( FOO_FOUND 1 CACHE STRING "Set to 1 if Foo is found, 0 otherwise")
ELSE (FOO_INCLUDE_PATH)
SET( FOO_FOUND 0 CACHE STRING "Set to 1 if Foo is found, 0 otherwise")
ENDIF (FOO_INCLUDE_PATH)

MARK_AS_ADVANCED( FOO_FOUND )






MESSAGE(STATUS "Looking for Foo")
INCLUDE(FindFoo.cmake)
IF(FOO_FOUND)
MESSAGE(STATUS "Looking for Foo - found")
ELSE(FOO_FOUND)
MESSAGE(FATAL_ERROR "Looking for Foo - not found")
ENDIF(FOO_FOUND)