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authordas <das>2007-01-25 02:07:29 (GMT)
committerdas <das>2007-01-25 02:07:29 (GMT)
commitb03647d3c8be357389770831d31ab255ef96617a (patch)
tree0ef19fe34df3e4485c4e44ca1fcf3eef5b66751d /unix/tcl.m4
parent107083d2827f3392406b7c771bffc20643b58524 (diff)
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* unix/tcl.m4: integrate CPPFLAGS into CFLAGS as late as possible and
move (rather than duplicate) -isysroot flags from CFLAGS to CPPFLAGS to avoid errors about multiple -isysroot flags from some older gcc builds. * unix/configure: autoconf-2.59
Diffstat (limited to 'unix/tcl.m4')
-rw-r--r--unix/tcl.m416
1 files changed, 12 insertions, 4 deletions
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 34b9f7a..4e90aaf 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1113,7 +1113,6 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
TCL_TRIM_DOTS='`echo ${VERSION} | tr -d .`'
ECHO_VERSION='`echo ${VERSION}`'
TCL_LIB_VERSIONS_OK=ok
- CFLAGS="${CPPFLAGS} ${CFLAGS}"
CFLAGS_DEBUG=-g
CFLAGS_OPTIMIZE=-O
if test "$GCC" = "yes" ; then
@@ -1576,11 +1575,14 @@ dnl AC_CHECK_TOOL(AR, ar)
CFLAGS_OPTIMIZE="-Os"
SHLIB_CFLAGS="-fno-common"
# To avoid discrepancies between what headers configure sees during
- # preprocessing tests and compiling tests, add any -isysroot and
- # -mmacosx-version-min flags present in CFLAGS to CPPFLAGS:
+ # preprocessing tests and compiling tests, move any -isysroot and
+ # -mmacosx-version-min flags from CFLAGS to CPPFLAGS:
CPPFLAGS="${CPPFLAGS} `echo " ${CFLAGS}" | \
- awk 'BEGIN {FS=" +-";ORS=" "}; {for (i=1;i<=NF;i++) \
+ awk 'BEGIN {FS=" +-";ORS=" "}; {for (i=2;i<=NF;i++) \
if ([$]i~/^(isysroot|mmacosx-version-min)/) print "-"[$]i}'`"
+ CFLAGS="`echo " ${CFLAGS}" | \
+ awk 'BEGIN {FS=" +-";ORS=" "}; {for (i=2;i<=NF;i++) \
+ if (!([$]i~/^(isysroot|mmacosx-version-min)/)) print "-"[$]i}'`"
if test $do64bit = yes; then
case `arch` in
ppc)
@@ -1962,6 +1964,12 @@ dnl AC_CHECK_TOOL(AR, ar)
AC_DEFINE(TCL_CFG_DO64BIT, 1, [Is this a 64-bit build?])
fi
+dnl # Add any CPPFLAGS set in the environment to our CFLAGS, but delay doing so
+dnl # until the end of configure, as configure's compile and link tests use
+dnl # both CPPFLAGS and CFLAGS (unlike our compile and link) but configure's
+dnl # preprocessing tests use only CPPFLAGS.
+ AC_CONFIG_COMMANDS_PRE([CFLAGS="${CFLAGS} ${CPPFLAGS}"; CPPFLAGS=""])
+
# Step 4: disable dynamic loading if requested via a command-line switch.
AC_ARG_ENABLE(load,