[trunk] use the home made macro to ensure the existence of some include file

[openjpeg.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9b55c02af2965fcc1e9980a124c09202c9ca066a..1c56f081f12c2bb9a92ab4f86debf7606cf3164c 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -180,25 +180,43 @@ if(CMAKE_COMPILER_IS_GNUCC)
 endif()
 
 #-----------------------------------------------------------------------------
-# opj_config.h generation (1/2)
+# opj_config.h generation
+
+# Check if some include files are provided by the system
+include(EnsureFileInclude)
+# These files are mandatory
+ensure_file_include("string.h"   HAVE_STRING_H YES)
+ensure_file_include("memory.h"   HAVE_MEMORY_H YES)
+ensure_file_include("stdlib.h"   HAVE_STDLIB_H YES)
+ensure_file_include("stdio.h"    HAVE_STDIO_H  YES)
+ensure_file_include("math.h"     HAVE_MATH_H   YES)
+ensure_file_include("float.h"    HAVE_FLOAT_H  YES)
+ensure_file_include("time.h"     HAVE_TIME_H   YES)
+ensure_file_include("stdarg.h"   HAVE_STDARG_H YES)
+ensure_file_include("ctype.h"    HAVE_CTYPE_H  YES)
+ensure_file_include("assert.h"   HAVE_ASSERT_H YES)
+
+# For the following files, we provide an alternative, they are not mandatory
+ensure_file_include("stdint.h"   OPJ_HAVE_STDINT_H   NO)
+ensure_file_include("inttypes.h" OPJ_HAVE_INTTYPES_H NO)
+
+# why check this one ? for openjpip ?
 include (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
 CHECK_INCLUDE_FILE("strings.h"      HAVE_STRINGS_H)
-CHECK_INCLUDE_FILE("inttypes.h"     HAVE_INTTYPES_H)
-CHECK_INCLUDE_FILE("memory.h"       HAVE_MEMORY_H)
-CHECK_INCLUDE_FILE("stdint.h"       HAVE_STDINT_H)
-CHECK_INCLUDE_FILE("stdlib.h"       HAVE_STDLIB_H)
-CHECK_INCLUDE_FILE("string.h"       HAVE_STRING_H)
 CHECK_INCLUDE_FILE("sys/stat.h"     HAVE_SYS_STAT_H)
 CHECK_INCLUDE_FILE("sys/types.h"    HAVE_SYS_TYPES_H)
 CHECK_INCLUDE_FILE("unistd.h"       HAVE_UNISTD_H)
-# ssize_t
-include(CheckTypeSize)
-CHECK_TYPE_SIZE(ssize_t     SSIZE_T)
 
 # Enable Large file support
 include(TestLargeFiles)
 OPJ_TEST_LARGE_FILES(OPJ_HAVE_LARGEFILES)
 
+configure_file(
+ ${CMAKE_CURRENT_SOURCE_DIR}/src/lib/openjp2/opj_config.h.cmake.in
+ ${CMAKE_CURRENT_BINARY_DIR}/src/lib/openjp2/opj_config.h
+ @ONLY
+ )
+
 #-----------------------------------------------------------------------------
 # Build Library
 add_subdirectory(src)
@@ -228,14 +246,6 @@ if(BUILD_CODEC OR BUILD_MJ2)
 endif ()
 add_subdirectory(wrapping)
 
-#-----------------------------------------------------------------------------
-# opj_config.h generation (2/2)
-configure_file(
- ${CMAKE_CURRENT_SOURCE_DIR}/src/lib/openjp2/opj_config.h.cmake.in
- ${CMAKE_CURRENT_BINARY_DIR}/src/lib/openjp2/opj_config.h
- @ONLY
- )
-
 #-----------------------------------------------------------------------------
 # Build DOCUMENTATION (not in ALL target and only if Doxygen is found)
 option(BUILD_DOC "Build the HTML documentation (with doxygen if available)." OFF)