AC_PROG_CPP
dnl ** does the C compiler support the following options?
-FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
-
-EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN"
-SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
-CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
-AC_SUBST(SRC_CC_OPTS)
+case $TargetOS_CPP in
+mingw32)
+ FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
+
+ EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN"
+ SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
+ CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
+ AC_SUBST(SRC_CC_OPTS)
+ ;;
+*) ;;
+esac
dnl ** figure out how to do context diffs
FPTOOLS_PROG_DIFF
])
AC_SUBST(HaveRtldNext)
+dnl ** RTLD_LOCAL isn't available on cygwin
+AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
+AC_EGREP_CPP(yes,
+[
+ #include <dlfcn.h>
+ #ifdef RTLD_LOCAL
+ yes
+ #endif
+], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_RTLDLOCAL)
+ HaveRtldLocal=YES
+], [
+ AC_MSG_RESULT(no)
+ HaveRtldLocal=NO
+ ])
+AC_SUBST(HaveRtldLocal)
+
FPTOOLS_CHECK_LIB_NOWARN(m, atan)
dnl --------------------------------------------------