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Diffstat (limited to 'm4/ax_with_prog.m4')
| -rw-r--r-- | m4/ax_with_prog.m4 | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/m4/ax_with_prog.m4 b/m4/ax_with_prog.m4 new file mode 100644 index 0000000..f337c05 --- /dev/null +++ b/m4/ax_with_prog.m4 @@ -0,0 +1,70 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_with_prog.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_WITH_PROG([VARIABLE],[program],[VALUE-IF-NOT-FOUND],[PATH]) +# +# DESCRIPTION +# +# Locates an installed program binary, placing the result in the precious +# variable VARIABLE. Accepts a present VARIABLE, then --with-program, and +# failing that searches for program in the given path (which defaults to +# the system path). If program is found, VARIABLE is set to the full path +# of the binary; if it is not found VARIABLE is set to VALUE-IF-NOT-FOUND +# if provided, unchanged otherwise. +# +# A typical example could be the following one: +# +# AX_WITH_PROG(PERL,perl) +# +# NOTE: This macro is based upon the original AX_WITH_PYTHON macro from +# Dustin J. Mitchell <dustin@cs.uchicago.edu>. +# +# LICENSE +# +# Copyright (c) 2008 Francesco Salvestrini <salvestrini@users.sourceforge.net> +# Copyright (c) 2008 Dustin J. Mitchell <dustin@cs.uchicago.edu> +# +# 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 16 + +AC_DEFUN([AX_WITH_PROG],[ + AC_PREREQ([2.61]) + + pushdef([VARIABLE],$1) + pushdef([EXECUTABLE],$2) + pushdef([VALUE_IF_NOT_FOUND],$3) + pushdef([PATH_PROG],$4) + + AC_ARG_VAR(VARIABLE,Absolute path to EXECUTABLE executable) + + AS_IF(test -z "$VARIABLE",[ + AC_MSG_CHECKING(whether EXECUTABLE executable path has been provided) + AC_ARG_WITH(EXECUTABLE,AS_HELP_STRING([--with-EXECUTABLE=[[[PATH]]]],absolute path to EXECUTABLE executable), [ + AS_IF([test "$withval" != yes && test "$withval" != no],[ + VARIABLE="$withval" + AC_MSG_RESULT($VARIABLE) + ],[ + VARIABLE="" + AC_MSG_RESULT([no]) + AS_IF([test "$withval" != no], [ + AC_PATH_PROG([]VARIABLE[],[]EXECUTABLE[],[]VALUE_IF_NOT_FOUND[],[]PATH_PROG[]) + ]) + ]) + ],[ + AC_MSG_RESULT([no]) + AC_PATH_PROG([]VARIABLE[],[]EXECUTABLE[],[]VALUE_IF_NOT_FOUND[],[]PATH_PROG[]) + ]) + ]) + + popdef([PATH_PROG]) + popdef([VALUE_IF_NOT_FOUND]) + popdef([EXECUTABLE]) + popdef([VARIABLE]) +]) |