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author | Yang Tse <yangsita@gmail.com> | 2013-01-25 00:46:58 +0100 |
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committer | Yang Tse <yangsita@gmail.com> | 2013-01-25 00:46:58 +0100 |
commit | b157f4a0beba7ecc8821048f9ab2a1139af7577d (patch) | |
tree | f69fa2821aa92a459fecd126068acd29f9a08a2d /m4/zz40-xc-ovr.m4 | |
parent | 15177a631ebf5b56ae02525514ec4f2ddda533b6 (diff) | |
download | c-ares-b157f4a0beba7ecc8821048f9ab2a1139af7577d.tar.gz c-ares-b157f4a0beba7ecc8821048f9ab2a1139af7577d.tar.bz2 c-ares-b157f4a0beba7ecc8821048f9ab2a1139af7577d.zip |
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.
Diffstat (limited to 'm4/zz40-xc-ovr.m4')
-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 a682786..9070dce 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) : ;; |