configure: Strip leading space

Remove space prefixes in `CFLAGS` and `LDFLAGS` so the values align in the summary printed at the end of the configure stage. Signed-off-by: James O. D. Hunt <[email protected]>
jamesodhunt · Nov 7, 2024 · d3cf3b7 · d3cf3b7
1 parent 5bf5903
commit d3cf3b7
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diff --git a/configure b/configure
@@ -7232,6 +7232,12 @@ sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## showing result of test '$t': $test_result ##
 _ASBOX
 
+# Strip leading space. Note the mandatory use of double quadrigraphs
+# to specify the character class to sed(1). We can't use literal
+# square brackets as autoconf(1)/m4(1) get upset.
+CFLAGS=$(echo "$CFLAGS" | sed 's/^[[:space:]]*//')
+LDFLAGS=$(echo "$LDFLAGS" | sed 's/^[[:space:]]*//')
+
 ac_config_files="$ac_config_files Makefile src/Makefile procenv.spec"
 
 cat >confcache <<\_ACEOF

diff --git a/configure.ac b/configure.ac
@@ -229,6 +229,12 @@ AS_BOX($msg)
 AS_IF([$t], [test_result=pass], [test_result=fail])
 AS_BOX([showing result of test '$t': $test_result])
 
+# Strip leading space. Note the mandatory use of double quadrigraphs
+# to specify the character class to sed(1). We can't use literal
+# square brackets as autoconf(1)/m4(1) get upset.
+CFLAGS=$(echo "$CFLAGS" | sed 's/^@<:@@<:@:space:@:>@@:>@*//')
+LDFLAGS=$(echo "$LDFLAGS" | sed 's/^@<:@@<:@:space:@:>@@:>@*//')
+
 AC_CONFIG_FILES([Makefile src/Makefile procenv.spec])
 AC_OUTPUT
 AC_MSG_RESULT([