[Debburn-changes] r340 - nonameyet/trunk/include
Eduard Bloch
blade at costa.debian.org
Tue Sep 26 17:30:29 UTC 2006
Author: blade
Date: 2006-09-26 17:30:29 +0000 (Tue, 26 Sep 2006)
New Revision: 340
Modified:
nonameyet/trunk/include/AddSchilyBits.cmake
Log:
Univeral check for isnan
Modified: nonameyet/trunk/include/AddSchilyBits.cmake
===================================================================
--- nonameyet/trunk/include/AddSchilyBits.cmake 2006-09-26 12:50:39 UTC (rev 339)
+++ nonameyet/trunk/include/AddSchilyBits.cmake 2006-09-26 17:30:29 UTC (rev 340)
@@ -1,23 +1,23 @@
+IF(NOT CHECKED_SCHILY)
+ INCLUDE(CheckCSourceCompiles)
+ SET(CHECKED_SCHILY 1)
+ LIST(APPEND EXTRA_LIBS "schily")
-LIST(APPEND EXTRA_LIBS "schily")
+ SET(TESTSRC "
+ #include <math.h>
+ int main() { return isnan(1); }
+ ")
-IF(${CMAKE_SYSTEM_NAME} EQUAL "AIX")
- LIST(APPEND EXTRA_LIBS "m")
-ENDIF(${CMAKE_SYSTEM_NAME} EQUAL "AIX")
+ CHECK_C_SOURCE_COMPILES("${TESTSRC}" HAVE_LIBC_ISNAN)
+ IF(NOT HAVE_LIBC_ISNAN)
+ SET(CMAKE_REQUIRED_LIBRARIES m)
+ LIST(APPEND EXTRA_LIBS m)
+ CHECK_C_SOURCE_COMPILES("${TESTSRC}" HAVE_LIBM_ISNAN)
+ IF(NOT HAVE_LIBM_ISNAN)
+ MESSAGE(FATAL_ERROR "isnan function not found anywhere on ${CMAKE_SYSTEM_NAME}")
+ ENDIF(NOT HAVE_LIBM_ISNAN)
+ ENDIF(NOT HAVE_LIBC_ISNAN)
+ENDIF(NOT CHECKED_SCHILY)
-#INCLUDE(CheckIncludeFiles)
-#CHECK_INCLUDE_FILES("stdio.h;camlib.h" HAVE_CAMLIB_H)
-
-#TRY_COMPILE(HAVE_LIBC_ISNAN ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/test_NEED_LIBM.c)
-#
-#IF(NOT HAVE_LIBC_ISNAN)
-# TARGET_LINK_LIBRARIES(cmTryCompileExec m)
-# TRY_COMPILE(HAVE_LIBC_ISNAN ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/test_NEED_LIBM.c)
-# IF(HAVE_LIBC_ISNAN)
-# LIST(APPEND EXTRA_LIBS "m")
-# ELSE(HAVE_LIBC_ISNAN)
-# MESSAGE(FATAL_ERROR "isnan function not found anywhere ${CMAKE_SYSTEM_NAME}")
-# ENDIF(HAVE_LIBC_ISNAN)
-#ENDIF(NOT HAVE_LIBC_ISNAN)
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