Revision: 55655
http://sourceforge.net/p/brlcad/code/55655
Author: brlcad
Date: 2013-06-04 06:05:19 +0000 (Tue, 04 Jun 2013)
Log Message:
-----------
manually wrap a couple simple tests since both CHECK_SYMBOL_EXISTS and
CHECK_PROTOTYPE_EXISTS appear to be completely unusable for testing header
declarations. deserves a macro in the meantime, but the issue has been
reported.
Modified Paths:
--------------
brlcad/trunk/CMakeLists.txt
Modified: brlcad/trunk/CMakeLists.txt
===================================================================
--- brlcad/trunk/CMakeLists.txt 2013-06-04 05:30:53 UTC (rev 55654)
+++ brlcad/trunk/CMakeLists.txt 2013-06-04 06:05:19 UTC (rev 55655)
@@ -1699,11 +1699,31 @@
BRLCAD_FUNCTION_EXISTS(writev HAVE_WRITEV)
# we may compile in strict pedantic mode, but still want access to
-# some POSIX functions. test whether these symbols are declared in
-# addition to whether they resolve (above).
-CHECK_SYMBOL_EXISTS(kill "sys/types.h;signal.h" HAVE_DECL_KILL)
-CHECK_SYMBOL_EXISTS(fileno "stdio.h" HAVE_DECL_FILENO)
+# some POSIX functions. test whether some symbols (below) are
+# declared in addition to whether they resolve (above).
+#
+# we do this manually for now because CHECK_SYMBOL_EXISTS and
+# CHECK_PROTOTYPE_EXISTS are both terribly broken.
+#
+# FIXME: wrap these into a BRLCAD_CHECK_SYMBOL() macro or similar.
+# test for kill()
+if("${HAVE_DECL_KILL}" MATCHES "^${HAVE_DECL_KILL}$")
+ check_c_source_compiles("#include <sys/types.h>\n#include <signal.h>\nint
main() { (void)kill; return 0; }" HAVE_DECL_KILL)
+ if(HAVE_DECL_KILL)
+ CONFIG_H_APPEND(BRLCAD "#cmakedefine HAVE_DECL_KILL 1\n")
+ endif(HAVE_DECL_KILL)
+endif("${HAVE_DECL_KILL}" MATCHES "^${HAVE_DECL_KILL}$")
+
+# test for fileno()
+if("${HAVE_DECL_FILENO}" MATCHES "^${HAVE_DECL_FILENO}$")
+ check_c_source_compiles("#include <stdio.h>\nint main() { (void)fileno;
return 0; }" HAVE_DECL_FILENO)
+ if(HAVE_DECL_FILENO)
+ CONFIG_H_APPEND(BRLCAD "#cmakedefine HAVE_DECL_FILENO 1\n")
+ endif(HAVE_DECL_FILENO)
+endif("${HAVE_DECL_FILENO}" MATCHES "^${HAVE_DECL_FILENO}$")
+
+
# On Windows, we need to check for hypot etc.. This test pertains
# to the windows specific config file, not CONFIG_H_FILE - hence,
# just run the test and it will be handled by configure_file later.
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