142 lines
4.1 KiB
CMake
142 lines
4.1 KiB
CMake
|
# Generate the config.h to compile with specific intrinsics / libs.
|
||
|
|
||
|
## Check for compiler options.
|
||
|
include(CheckCSourceCompiles)
|
||
|
check_c_source_compiles("
|
||
|
int main(void) {
|
||
|
(void)__builtin_bswap16(0);
|
||
|
return 0;
|
||
|
}
|
||
|
"
|
||
|
HAVE_BUILTIN_BSWAP16
|
||
|
)
|
||
|
check_c_source_compiles("
|
||
|
int main(void) {
|
||
|
(void)__builtin_bswap32(0);
|
||
|
return 0;
|
||
|
}
|
||
|
"
|
||
|
HAVE_BUILTIN_BSWAP32
|
||
|
)
|
||
|
check_c_source_compiles("
|
||
|
int main(void) {
|
||
|
(void)__builtin_bswap64(0);
|
||
|
return 0;
|
||
|
}
|
||
|
"
|
||
|
HAVE_BUILTIN_BSWAP64
|
||
|
)
|
||
|
|
||
|
## Check for libraries.
|
||
|
find_package(Threads)
|
||
|
if(Threads_FOUND)
|
||
|
if(CMAKE_USE_PTHREADS_INIT)
|
||
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
|
||
|
endif()
|
||
|
foreach(PTHREAD_TEST HAVE_PTHREAD_PRIO_INHERIT PTHREAD_CREATE_UNDETACHED)
|
||
|
check_c_source_compiles("
|
||
|
#include <pthread.h>
|
||
|
int main (void) {
|
||
|
int attr = ${PTHREAD_TEST};
|
||
|
return attr;
|
||
|
}
|
||
|
" ${PTHREAD_TEST}
|
||
|
)
|
||
|
endforeach()
|
||
|
list(APPEND WEBP_DEP_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
|
||
|
endif()
|
||
|
set(WEBP_USE_THREAD ${Threads_FOUND})
|
||
|
|
||
|
# TODO: this seems unused, check with autotools.
|
||
|
set(LT_OBJDIR ".libs/")
|
||
|
|
||
|
# Only useful for vwebp, so useless for now.
|
||
|
# find_package(OpenGL)
|
||
|
# set(WEBP_HAVE_GL ${OPENGL_FOUND})
|
||
|
# set(WEBP_DEP_INCLUDE_DIRS ${WEBP_DEP_INCLUDE_DIRS} ${OPENGL_INCLUDE_DIRS})
|
||
|
# set(WEBP_DEP_LIBRARIES ${WEBP_DEP_LIBRARIES} ${OPENGL_LIBRARIES})
|
||
|
|
||
|
# Find the standard C math library.
|
||
|
find_library(MATH_LIBRARY NAMES m)
|
||
|
if(MATH_LIBRARY)
|
||
|
list(APPEND WEBP_DEP_LIBRARIES ${MATH_LIBRARY})
|
||
|
endif()
|
||
|
|
||
|
# Find the standard image libraries.
|
||
|
set(WEBP_DEP_IMG_LIBRARIES)
|
||
|
set(WEBP_DEP_IMG_INCLUDE_DIRS)
|
||
|
foreach(I_LIB PNG JPEG TIFF GIF)
|
||
|
find_package(${I_LIB})
|
||
|
set(WEBP_HAVE_${I_LIB} ${${I_LIB}_FOUND})
|
||
|
if(${I_LIB}_FOUND)
|
||
|
list(APPEND WEBP_DEP_IMG_LIBRARIES ${${I_LIB}_LIBRARIES})
|
||
|
list(APPEND WEBP_DEP_IMG_INCLUDE_DIRS ${${I_LIB}_INCLUDE_DIRS})
|
||
|
endif()
|
||
|
endforeach()
|
||
|
|
||
|
## Check for specific headers.
|
||
|
include(CheckIncludeFiles)
|
||
|
check_include_files("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
|
||
|
check_include_files(dlfcn.h HAVE_DLFCN_H)
|
||
|
check_include_files(GLUT/glut.h HAVE_GLUT_GLUT_H)
|
||
|
check_include_files(GL/glut.h HAVE_GL_GLUT_H)
|
||
|
check_include_files(inttypes.h HAVE_INTTYPES_H)
|
||
|
check_include_files(memory.h HAVE_MEMORY_H)
|
||
|
check_include_files(OpenGL/glut.h HAVE_OPENGL_GLUT_H)
|
||
|
check_include_files(shlwapi.h HAVE_SHLWAPI_H)
|
||
|
check_include_files(stdint.h HAVE_STDINT_H)
|
||
|
check_include_files(stdlib.h HAVE_STDLIB_H)
|
||
|
check_include_files(strings.h HAVE_STRINGS_H)
|
||
|
check_include_files(string.h HAVE_STRING_H)
|
||
|
check_include_files(sys/stat.h HAVE_SYS_STAT_H)
|
||
|
check_include_files(sys/types.h HAVE_SYS_TYPES_H)
|
||
|
check_include_files(unistd.h HAVE_UNISTD_H)
|
||
|
check_include_files(wincodec.h HAVE_WINCODEC_H)
|
||
|
check_include_files(windows.h HAVE_WINDOWS_H)
|
||
|
|
||
|
# Windows specifics
|
||
|
if(HAVE_WINCODEC_H)
|
||
|
list(APPEND WEBP_DEP_LIBRARIES shlwapi ole32 windowscodecs)
|
||
|
endif()
|
||
|
|
||
|
## Check for SIMD extensions.
|
||
|
include(${CMAKE_CURRENT_LIST_DIR}/cpu.cmake)
|
||
|
|
||
|
## Define extra info.
|
||
|
set(PACKAGE ${PROJECT_NAME})
|
||
|
set(PACKAGE_NAME ${PROJECT_NAME})
|
||
|
|
||
|
# Read from configure.ac.
|
||
|
file(READ ${CMAKE_CURRENT_SOURCE_DIR}/configure.ac CONFIGURE_AC)
|
||
|
string(REGEX MATCHALL "\\[([0-9a-z\\.:/]*)\\]"
|
||
|
CONFIGURE_AC_PACKAGE_INFO ${CONFIGURE_AC}
|
||
|
)
|
||
|
function(strip_bracket VAR)
|
||
|
string(LENGTH ${${VAR}} TMP_LEN)
|
||
|
math(EXPR TMP_LEN ${TMP_LEN}-2)
|
||
|
string(SUBSTRING ${${VAR}} 1 ${TMP_LEN} TMP_SUB)
|
||
|
set(${VAR} ${TMP_SUB} PARENT_SCOPE)
|
||
|
endfunction()
|
||
|
|
||
|
list(GET CONFIGURE_AC_PACKAGE_INFO 1 PACKAGE_VERSION)
|
||
|
strip_bracket(PACKAGE_VERSION)
|
||
|
list(GET CONFIGURE_AC_PACKAGE_INFO 2 PACKAGE_BUGREPORT)
|
||
|
strip_bracket(PACKAGE_BUGREPORT)
|
||
|
list(GET CONFIGURE_AC_PACKAGE_INFO 3 PACKAGE_URL)
|
||
|
strip_bracket(PACKAGE_URL)
|
||
|
|
||
|
# Build more info.
|
||
|
set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
|
||
|
set(PACKAGE_TARNAME ${PACKAGE_NAME})
|
||
|
set(VERSION ${PACKAGE_VERSION})
|
||
|
|
||
|
## Generate the config.h header.
|
||
|
configure_file(${CMAKE_CURRENT_LIST_DIR}/config.h.in
|
||
|
${CMAKE_CURRENT_BINARY_DIR}/include/webp/config.h)
|
||
|
add_definitions(-DHAVE_CONFIG_H)
|
||
|
# The webp folder is included as we reference config.h as
|
||
|
# ../webp/config.h or webp/config.h
|
||
|
include_directories(${CMAKE_CURRENT_BINARY_DIR}/include
|
||
|
${CMAKE_CURRENT_BINARY_DIR}/include/webp
|
||
|
)
|