diff options
| author | Yang Tse <yangsita@gmail.com> | 2013-01-25 00:44:11 +0100 |
|---|---|---|
| committer | Yang Tse <yangsita@gmail.com> | 2013-01-25 00:48:04 +0100 |
| commit | 2bfb8b60809eca003dc3e3fb2697b576c074ec18 (patch) | |
| tree | 2e674edf7fc206ce0b50e991e525336681813226 | |
| parent | fda0f14f7391d29dda8af1c0421f8f9bd85e31d2 (diff) | |
zz40-xc-ovr.m4: parentheses balancing of 'case' statements
m4 quadrigraph shell comment technique allows proper autoconf
parentheses balancing in shell 'case' statements. The presence
of unbalanced parentheses may otherwise trigger expansion bugs.
| -rw-r--r-- | m4/zz40-xc-ovr.m4 | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/m4/zz40-xc-ovr.m4 b/m4/zz40-xc-ovr.m4 index a68278696..9070dceaf 100644 --- a/m4/zz40-xc-ovr.m4 +++ b/m4/zz40-xc-ovr.m4 @@ -60,7 +60,7 @@ AC_DEFUN([_XC_CFG_PRE_BASIC_CHK_CMD_ECHO], xc_tst_str='unknown' (`echo "$xc_tst_str" >/dev/null 2>&1`) && xc_tst_str='success' -case "x$xc_tst_str" in +case "x$xc_tst_str" in @%:@(( xsuccess) : ;; @@ -88,7 +88,7 @@ AC_DEFUN([_XC_CFG_PRE_BASIC_CHK_CMD_TEST], xc_tst_str='unknown' (`test -n "$xc_tst_str" >/dev/null 2>&1`) && xc_tst_str='success' -case "x$xc_tst_str" in +case "x$xc_tst_str" in @%:@(( xsuccess) : ;; @@ -115,7 +115,7 @@ AC_DEFUN([_XC_CFG_PRE_BASIC_CHK_VAR_PATH], xc_tst_str='unknown' (`test -n "$PATH" >/dev/null 2>&1`) && xc_tst_str='success' -case "x$xc_tst_str" in +case "x$xc_tst_str" in @%:@(( xsuccess) : ;; @@ -142,7 +142,7 @@ AC_DEFUN([_XC_CFG_PRE_BASIC_CHK_CMD_EXPR], xc_tst_str='unknown' xc_tst_str=(`expr "$xc_tst_str" : '.*' 2>/dev/null`) -case "x$xc_tst_str" in +case "x$xc_tst_str" in @%:@(( x7) : ;; @@ -174,7 +174,7 @@ AC_DEFUN([_XC_CFG_PRE_BASIC_CHK_UTIL_SED], xc_tst_str='unknown' xc_tst_str=(`echo "$xc_tst_str" 2>/dev/null \ | sed -e 's:unknown:success:' 2>/dev/null`) -case "x$xc_tst_str" in +case "x$xc_tst_str" in @%:@(( xsuccess) : ;; @@ -206,7 +206,7 @@ AC_DEFUN([_XC_CFG_PRE_BASIC_CHK_UTIL_GREP], xc_tst_str='unknown' (`echo "$xc_tst_str" 2>/dev/null \ | grep 'unknown' >/dev/null 2>&1`) && xc_tst_str='success' -case "x$xc_tst_str" in +case "x$xc_tst_str" in @%:@(( xsuccess) : ;; |