CC and CCC definitions changed to reflect GNU defaults.

configure/os/CONFIG.Common.linuxCommon

@@ -0,0 +1,31 @@
+# CONFIG.Common.linuxCommon
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for linux target builds
+# Sites may override these definitions in CONFIG_SITE.Common.linuxCommon
+#-------------------------------------------------------
+
+# Include definitions common to all Unix targets
+include $(CONFIG)/os/CONFIG.Common.UnixCommon
+
+OS_CLASS = Linux
+
+CODE_CPPFLAGS = -D_REENTRANT
+
+POSIX_CPPFLAGS_YES = -D_POSIX_C_SOURCE=199506L -D_POSIX_THREADS -D_XOPEN_SOURCE=500
+POSIX_CPPFLAGS_NO =
+POSIX_LDLIBS_YES = -lpthread
+
+# -D_BSD_SOURCE for gethostname() in unistd.h as needed by cacChannelIO.cpp.
+OP_SYS_CPPFLAGS += -D_BSD_SOURCE
+OP_SYS_CPPFLAGS += -Dlinux
+OP_SYS_LDLIBS += -lrt
+
+# Set runtime path for shared libraries
+RUNTIME_LDFLAGS = $(SHRLIB_SEARCH_FULLPATHDIRS:%=-Wl,-rpath,%)
+
+#  Definitions used when COMMANDLINE_LIBRARY is READLINE
+LDLIBS_READLINE = -lreadline -lcurses
+