dnl ** does #! path/to/perl work? (sometimes it's too long...)
FPTOOLS_SHEBANG_PERL
-
dnl ** look for GCC and find out which version
dnl Figure out which C compiler to use. Gcc is preferred.
dnl If gcc, make sure it's at least 2.1
AC_PROG_CC
FPTOOLS_HAVE_GCC
-dnl ** does the C compiler support option -mwin32 ?
-FPTOOLS_CC_MWIN32
-
dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
-case $HostOS_CPP in
-cygwin32|mingw32)
- STD_CC_OPTS="-mno-cygwin $CC_MWIN32_FLAG"
- CPP="$CPP $STD_CC_OPTS"
- CFLAGS="$STD_CC_OPTS $CFLAGS"
- CPPFLAGS="$STD_CC_OPTS $CPPFLAGS"
- ;;
-*)
- STD_CC_OPTS=""
- ;;
-esac
-SRC_CC_OPTS="-O $STD_CC_OPTS"
-AC_SUBST(SRC_CC_OPTS)
+dnl ** does the C compiler support the following options?
+FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
+FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
+EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
+SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
+CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
+AC_SUBST(SRC_CC_OPTS)
dnl ** figure out how to do context diffs
FPTOOLS_PROG_DIFF