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Diffstat (limited to 'm4/ax_define_dir.m4')
| -rw-r--r-- | m4/ax_define_dir.m4 | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/m4/ax_define_dir.m4 b/m4/ax_define_dir.m4 new file mode 100644 index 00000000..b74d155f --- /dev/null +++ b/m4/ax_define_dir.m4 @@ -0,0 +1,49 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_define_dir.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION]) +# +# DESCRIPTION +# +# This macro sets VARNAME to the expansion of the DIR variable, taking +# care of fixing up ${prefix} and such. +# +# VARNAME is then offered as both an output variable and a C preprocessor +# symbol. +# +# Example: +# +# AX_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.]) +# +# LICENSE +# +# Copyright (c) 2008 Stepan Kasal <kasal@ucw.cz> +# Copyright (c) 2008 Andreas Schwab <schwab@suse.de> +# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de> +# Copyright (c) 2008 Alexandre Oliva +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 6 + +AU_ALIAS([AC_DEFINE_DIR], [AX_DEFINE_DIR]) +AC_DEFUN([AX_DEFINE_DIR], [ + prefix_NONE= + exec_prefix_NONE= + test "x$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 ${prefix}. Thus we have to use `eval' twice. + eval ax_define_dir="\"[$]$2\"" + eval ax_define_dir="\"$ax_define_dir\"" + AC_SUBST($1, "$ax_define_dir") + AC_DEFINE_UNQUOTED($1, "$ax_define_dir", [$3]) + test "$prefix_NONE" && prefix=NONE + test "$exec_prefix_NONE" && exec_prefix=NONE +]) |