[cmake] Better detection of snprintf, asprintf, etc.

[simgrid.git] / tools / cmake / CompleteInFiles.cmake

diff --git a/tools/cmake/CompleteInFiles.cmake b/tools/cmake/CompleteInFiles.cmake
index 30b005a..0a93421 100644 (file)
--- a/tools/cmake/CompleteInFiles.cmake
+++ b/tools/cmake/CompleteInFiles.cmake
@@ -69,6 +69,7 @@ include(CheckTypeSize)
 include(CheckIncludeFile)
 include(CheckIncludeFiles)
 include(CheckLibraryExists)
+include(CheckSymbolExists)
 include(TestBigEndian)
 TEST_BIG_ENDIAN(BIGENDIAN)
 
@@ -191,10 +192,12 @@ CHECK_FUNCTION_EXISTS(sysconf HAVE_SYSCONF)
 CHECK_FUNCTION_EXISTS(readv HAVE_READV)
 CHECK_FUNCTION_EXISTS(popen HAVE_POPEN)
 CHECK_FUNCTION_EXISTS(signal HAVE_SIGNAL)
-CHECK_FUNCTION_EXISTS(snprintf HAVE_SNPRINTF)
-CHECK_FUNCTION_EXISTS(vsnprintf HAVE_VSNPRINTF)
-CHECK_FUNCTION_EXISTS(asprintf HAVE_ASPRINTF)
-CHECK_FUNCTION_EXISTS(vasprintf HAVE_VASPRINTF)
+
+CHECK_SYMBOL_EXISTS(snprintf stdio.h HAVE_SNPRINTF)
+CHECK_SYMBOL_EXISTS(vsnprintf stdio.h HAVE_VSNPRINTF)
+CHECK_SYMBOL_EXISTS(asprintf stdio.h HAVE_ASPRINTF)
+CHECK_SYMBOL_EXISTS(vasprintf stdio.h HAVE_VASPRINTF)
+
 CHECK_FUNCTION_EXISTS(makecontext HAVE_MAKECONTEXT)
 CHECK_FUNCTION_EXISTS(mmap HAVE_MMAP)
 CHECK_FUNCTION_EXISTS(process_vm_readv HAVE_PROCESS_VM_READV)