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Re: [PATCH] Add uClinux support for uberbaum build
DJ Delorie wrote:
2003-12-21 Bernardo Innocenti <bernie@develer.com>
* configure.in (*-*-uclinux): Exclude newlib, libgloss and rda.
* configure: Regenerated.
Ok.
Thanks. I've just checked the patch in, but then I noticed
something weird in my regenerared copy of configure. Even though
I used autoconf-2.13, the following hunk seems to have changed
for no apparent reason.
I'm not sure where this thing came from... Shall I revert it?
@@ -4100,15 +4103,34 @@ trap 'rm -f $CONFIG_STATUS conftest*; ex
# Transform confdefs.h into DEFS.
# Protect against shell expansion while executing Makefile rules.
# Protect against Makefile macro expansion.
-cat > conftest.defs <<\EOF
-s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
-s%[ `~#$^&*(){}\\|;'"<>?]%\\&%g
-s%\[%\\&%g
-s%\]%\\&%g
-s%\$%$$%g
-EOF
-DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
-rm -f conftest.defs
+#
+# If the first sed substitution is executed (which looks for macros that
+# take arguments), then we branch to the quote section. Otherwise,
+# look for a macro that doesn't take arguments.
+cat >confdef2opt.sed <<\_ACEOF
+t clear
+: clear
+s,^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\),-D\1=\2,g
+t quote
+s,^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\),-D\1=\2,g
+t quote
+d
+: quote
+s,[ `~#$^&*(){}\\|;'"<>?],\\&,g
+s,\[,\\&,g
+s,\],\\&,g
+s,\$,$$,g
+p
+_ACEOF
+# We use echo to avoid assuming a particular line-breaking character.
+# The extra dot is to prevent the shell from consuming trailing
+# line-breaks from the sub-command output. A line-break within
+# single-quotes doesn't work because, if this script is created in a
+# platform that uses two characters for line-breaks (e.g., DOS), tr
+# would break.
+ac_LF_and_DOT=`echo; echo .`
+DEFS=`sed -n -f confdef2opt.sed confdefs.h | tr "$ac_LF_and_DOT" ' .'`
+rm -f confdef2opt.sed
# Without the "./", some shells look in PATH for config.status.
--
// Bernardo Innocenti - Develer S.r.l., R&D dept.
\X/ http://www.develer.com/