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Diffstat (limited to 'm4/ndim-check-sh-param-expansion.m4')
| -rw-r--r-- | m4/ndim-check-sh-param-expansion.m4 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/m4/ndim-check-sh-param-expansion.m4 b/m4/ndim-check-sh-param-expansion.m4 new file mode 100644 index 0000000..b253131 --- /dev/null +++ b/m4/ndim-check-sh-param-expansion.m4 @@ -0,0 +1,31 @@ +# version 1.11 +dnl NDIM_CHECK_SH_COMMAND_SUBSTITUTION([ACTION-IF-SUPPORTED], +dnl [ACTION-IF-NOT-SUPPORTED)dnl +dnl +m4_pattern_forbid([NDIM_CHECK_SH_PARAM_SUBSTITUTION])dnl +AC_DEFUN([NDIM_CHECK_SH_PARAM_SUBSTITUTION],[dnl +AS_IF([test "x$ndim_sh_param_substitution" = "x"], [dnl +AC_MSG_CHECKING([\${foo%%bar} type sh param substitution]) +ndim_sh_param_substitution=no +ndim_testvalue="12.34.56-1.23.4-615asdg" +test "x${ndim_testvalue%%-*}" = "x12.34.56" \ + && test "x${ndim_testvalue%-*}" = "x12.34.56-1.23.4" \ + && test "x${ndim_testvalue##*-}" = "x615asdg" \ + && test "x${ndim_testvalue#*-}" = "x1.23.4-615asdg" \ + && ndim_sh_param_substitution=yes +AC_MSG_RESULT([$ndim_sh_param_substitution])]) +m4_ifval([$1], [ +if test "x$ndim_sh_param_substitution" = "xyes"; then +$1 +fi +])dnl +m4_ifval([$2], [ +if test "x$ndim_sh_param_substitution" = "xno"; then +$2 +fi +]) +])dnl +dnl +dnl Local Variables: +dnl mode: autoconf +dnl End: |