(tcl-indent-command): Use indent-for-tab-command.

[gnu-emacs] / configure.in

diff --git a/configure.in b/configure.in
index 4c1dda688966cbd35ebdf046c017f32ff26c515b..9303dd71f033611541f39dc38dd884198d666957 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -238,6 +238,7 @@ case "${canonical}" in
     case "${canonical}" in
       alpha*-*-freebsd*)       machine=alpha ;;
       i[3456]86-*-freebsd*)    machine=intel386 ;;
+      amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
     esac
   ;;
 
@@ -1089,7 +1090,7 @@ dnl see the `changequote' comment above.
     machine=intel386
     case "${canonical}" in
       *-cygwin )                opsys=cygwin ;;
-      *-darwin )                opsys=darwin
+      *-darwin* )               opsys=darwin
                                 CPP="${CC-cc} -E -no-cpp-precomp"
                                ;;
       *-isc1.* | *-isc2.[01]* )        opsys=386-ix ;;
@@ -1260,6 +1261,19 @@ then
   CC="$CC $NON_GCC_TEST_OPTIONS"
 fi
 
+### Use -Wno-pointer-sign if the compiler supports it
+AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
+SAVE_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wno-pointer-sign"
+AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
+if test $has_option = yes; then
+   C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
+fi
+AC_MSG_RESULT($has_option)
+CFLAGS="$SAVE_CFLAGS"
+unset has_option
+unset SAVE_CFLAGS
+
 #### Some other nice autoconf tests.
 
 dnl checks for programs
@@ -1272,6 +1286,8 @@ fi
 AC_PATH_PROG(INSTALL_INFO, install-info)
 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
+dnl Don't use GZIP, which is used by gzip for additional parameters.
+AC_PATH_PROG(GZIP_PROG, gzip)
 
 dnl Add our options to ac_link now, after it is set up.
 
@@ -1391,6 +1407,10 @@ configure___ use_mmap_for_buffers=no
 #endif
 #endif
 
+#ifndef C_WARNINGS_SWITCH
+#define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
+#endif
+
 #ifndef LD_SWITCH_MACHINE
 #define LD_SWITCH_MACHINE
 #endif
@@ -1419,7 +1439,7 @@ configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
 
 /* Get the CFLAGS for real compilation.  */
 #ifdef __GNUC__
-configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
+configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
 #else
 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
 #endif