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| author | Dustin J. Mitchell <dustin@zmanda.com> | 2009-10-07 19:41:51 -0400 |
|---|---|---|
| committer | Dustin J. Mitchell <dustin@zmanda.com> | 2009-10-07 19:43:34 -0400 |
| commit | 5f8c99397286285bd567ee28699b6750bbcc06da (patch) | |
| tree | 7d2df882ae8bb5ecb078ea340f25d228b6f4ea2a /m4/ax_pkg_swig.m4 | |
| parent | 829469986653a9c461576f480a56b80b26acba73 (diff) | |
| download | autoconf-archive-5f8c99397286285bd567ee28699b6750bbcc06da.tar.gz | |
Rename AC_PROG_SWIG to AX_PKG_SWIG, set SWIG='' when not found, and add action-if-[not-]found options
Diffstat (limited to 'm4/ax_pkg_swig.m4')
| -rw-r--r-- | m4/ax_pkg_swig.m4 | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/m4/ax_pkg_swig.m4 b/m4/ax_pkg_swig.m4 index 436fce2..2c61fbf 100644 --- a/m4/ax_pkg_swig.m4 +++ b/m4/ax_pkg_swig.m4 @@ -4,22 +4,26 @@ # # SYNOPSIS # -# AC_PROG_SWIG([major.minor.micro]) +# AX_PKG_SWIG([major.minor.micro], [action-if-found], [action-if-not-found]) # # DESCRIPTION # -# This macro searches for a SWIG installation on your system. If found you -# should call SWIG via $(SWIG). You can use the optional first argument to -# check if the version of the available SWIG is greater than or equal to -# the value of the argument. It should have the format: N[.N[.N]] (N is a -# number between 0 and 999. Only the first N is mandatory.) +# This macro searches for a SWIG installation on your system. If found, then +# SWIG is AC_SUBST'd; if not found, then $SWIG is empty. If SWIG is found, +# then SWIG_LIB is set to the SWIG library path, and AC_SUBST'd. # -# If the version argument is given (e.g. 1.3.17), AC_PROG_SWIG checks that -# the swig package is this version number or higher. +# You can use the optional first argument to check if the version of the +# available SWIG is greater than or equal to the value of the argument. It +# should have the format: N[.N[.N]] (N is a number between 0 and 999. Only +# the first N is mandatory.) If the version argument is given (e.g. 1.3.17), +# AX_PKG_SWIG checks that the swig package is this version number or higher. +# +# As usual, action-if-found is executed if SWIG is found, otherwise +# action-if-not-found is executed. # # In configure.in, use as: # -# AC_PROG_SWIG(1.3.17) +# AX_PKG_SWIG(1.3.17, [], [ AC_MSG_ERROR([SWIG is required to build..]) ]) # AX_SWIG_ENABLE_CXX # AX_SWIG_MULTI_MODULE_SUPPORT # AX_SWIG_PYTHON @@ -57,13 +61,12 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -AC_DEFUN([AC_PROG_SWIG],[ +AC_DEFUN([AX_PKG_SWIG],[ AC_PATH_PROG([SWIG],[swig]) if test -z "$SWIG" ; then - AC_MSG_WARN([cannot find 'swig' program. You should look at http://www.swig.org]) - SWIG='echo "Error: SWIG is not installed. You should look at http://www.swig.org" ; false' + m4_ifval([$3],[$3],[:]) elif test -n "$1" ; then - AC_MSG_CHECKING([for SWIG version]) + AC_MSG_CHECKING([SWIG version]) [swig_version=`$SWIG -version 2>&1 | grep 'SWIG Version' | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`] AC_MSG_RESULT([$swig_version]) if test -n "$swig_version" ; then @@ -102,16 +105,19 @@ AC_DEFUN([AC_PROG_SWIG],[ if test $available_major -ne $required_major \ -o $available_minor -ne $required_minor \ -o $available_patch -lt $required_patch ; then - AC_MSG_WARN([SWIG version >= $1 is required. You have $swig_version. You should look at http://www.swig.org]) - SWIG='echo "Error: SWIG version >= $1 is required. You have '"$swig_version"'. You should look at http://www.swig.org" ; false' + AC_MSG_WARN([SWIG version >= $1 is required. You have $swig_version.]) + SWIG='' + m4_ifval([$3],[$3],[]) else - AC_MSG_NOTICE([SWIG executable is '$SWIG']) + AC_MSG_CHECKING([for SWIG library]) SWIG_LIB=`$SWIG -swiglib` - AC_MSG_NOTICE([SWIG library directory is '$SWIG_LIB']) + AC_MSG_RESULT([$SWIG_LIB]) + m4_ifval([$2],[$2],[]) fi else AC_MSG_WARN([cannot determine SWIG version]) - SWIG='echo "Error: Cannot determine SWIG version. You should look at http://www.swig.org" ; false' + SWIG='' + m4_ifval([$3],[$3],[]) fi fi AC_SUBST([SWIG_LIB]) |