From 14ec13e397b8b260b70e586738cfc102ad8607cf Mon Sep 17 00:00:00 2001 From: Nick Gasson Date: Mon, 7 May 2012 16:22:29 +0100 Subject: [PATCH] Add ac_define_dir.m4 --- m4/ac_define_dir.m4 | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 m4/ac_define_dir.m4 diff --git a/m4/ac_define_dir.m4 b/m4/ac_define_dir.m4 new file mode 100644 index 0000000..e15cea2 --- /dev/null +++ b/m4/ac_define_dir.m4 @@ -0,0 +1,34 @@ +dnl @synopsis AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION]) +dnl +dnl This macro sets VARNAME to the expansion of the DIR variable, +dnl taking care of fixing up ${prefix} and such. +dnl +dnl VARNAME is then offered as both an output variable and a C +dnl preprocessor symbol. +dnl +dnl Example: +dnl +dnl AC_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.]) +dnl +dnl @category Misc +dnl @author Stepan Kasal +dnl @author Andreas Schwab +dnl @author Guido U. Draheim +dnl @author Alexandre Oliva +dnl @version 2006-10-13 +dnl @license AllPermissive + +AC_DEFUN([AC_DEFINE_DIR], [ + prefix_NONE= + exec_prefix_NONE= + test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix + test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix +dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn +dnl refers to ${prefix}. Thus we have to use `eval' twice. + eval ac_define_dir="\"[$]$2\"" + eval ac_define_dir="\"$ac_define_dir\"" + AC_SUBST($1, "$ac_define_dir") + AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3]) + test "$prefix_NONE" && prefix=NONE + test "$exec_prefix_NONE" && exec_prefix=NONE +]) -- 2.39.2