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authorYang Tse <yangsita@gmail.com>2013-01-25 00:44:11 +0100
committerYang Tse <yangsita@gmail.com>2013-01-25 00:48:04 +0100
commit2bfb8b60809eca003dc3e3fb2697b576c074ec18 (patch)
tree2e674edf7fc206ce0b50e991e525336681813226 /m4/zz40-xc-ovr.m4
parentfda0f14f7391d29dda8af1c0421f8f9bd85e31d2 (diff)
downloadcurl-2bfb8b60809eca003dc3e3fb2697b576c074ec18.tar.gz
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.m412
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)
:
;;