Commit 2bfb8b60 authored by Yang Tse's avatar Yang Tse
Browse files

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.
parent fda0f14f

m4/zz40-xc-ovr.m4

+6 −6
Original line number Diff line number Diff line
@@ -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)

    :

    ;;