diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 new file mode 100644 index 0000000..d54976a --- /dev/null +++ b/acinclude.m4 @@ -0,0 +1,136 @@ +dnl @synopsis AC_PATH_GENERIC(LIBRARY [, MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) +dnl +dnl Runs a LIBRARY-config script and defines LIBRARY_CFLAGS and LIBRARY_LIBS +dnl +dnl The script must support `--cflags' and `--libs' args. +dnl If MINIMUM-VERSION is specified, the script must also support the +dnl `--version' arg. +dnl If the `--with-library-[exec-]prefix' arguments to ./configure are given, +dnl it must also support `--prefix' and `--exec-prefix'. +dnl (In other words, it must be like gtk-config.) +dnl +dnl For example: +dnl +dnl AC_PATH_GENERIC(Foo, 1.0.0) +dnl +dnl would run `foo-config --version' and check that it is at least 1.0.0 +dnl +dnl If so, the following would then be defined: +dnl +dnl FOO_CFLAGS to `foo-config --cflags` +dnl FOO_LIBS to `foo-config --libs` +dnl +dnl At present there is no support for additional "MODULES" (see AM_PATH_GTK) +dnl (shamelessly stolen from gtk.m4 and then hacked around a fair amount) +dnl +dnl @author Angus Lees <gusl@cse.unsw.edu.au> +dnl @version $Id: acinclude.m4,v 1.1.1.1 2004/08/24 19:12:09 gilbertt Exp $ + +AC_DEFUN(AC_PATH_GENERIC, +[dnl +dnl we're going to need uppercase, lowercase and user-friendly versions of the +dnl string `LIBRARY' +pushdef([UP], translit([$1], [a-z], [A-Z]))dnl +pushdef([DOWN], translit([$1], [A-Z], [a-z]))dnl + +dnl +dnl Get the cflags and libraries from the LIBRARY-config script +dnl +AC_ARG_WITH(DOWN-prefix,[ --with-]DOWN[-prefix=PFX Prefix where $1 is installed (optional)], + DOWN[]_config_prefix="$withval", DOWN[]_config_prefix="") +AC_ARG_WITH(DOWN-exec-prefix,[ --with-]DOWN[-exec-prefix=PFX Exec prefix where $1 is installed (optional)], + DOWN[]_config_exec_prefix="$withval", DOWN[]_config_exec_prefix="") + + if test x$DOWN[]_config_exec_prefix != x ; then + DOWN[]_config_args="$DOWN[]_config_args --exec-prefix=$DOWN[]_config_exec_prefix" + if test x${UP[]_CONFIG+set} != xset ; then + UP[]_CONFIG=$DOWN[]_config_exec_prefix/bin/DOWN-config + fi + fi + if test x$DOWN[]_config_prefix != x ; then + DOWN[]_config_args="$DOWN[]_config_args --prefix=$DOWN[]_config_prefix" + if test x${UP[]_CONFIG+set} != xset ; then + UP[]_CONFIG=$DOWN[]_config_prefix/bin/DOWN-config + fi + fi + + AC_PATH_PROG(UP[]_CONFIG, DOWN-config, no) + ifelse([$2], , + AC_MSG_CHECKING(for $1), + AC_MSG_CHECKING(for $1 - version >= $2) + ) + no_[]DOWN="" + if test "$UP[]_CONFIG" = "no" ; then + no_[]DOWN=yes + else + UP[]_CFLAGS="`$UP[]_CONFIG $DOWN[]_config_args --cflags`" + UP[]_LIBS="`$UP[]_CONFIG $DOWN[]_config_args --libs`" + ifelse([$2], , ,[ + DOWN[]_config_major_version=`$UP[]_CONFIG $DOWN[]_config_args \ + --version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` + DOWN[]_config_minor_version=`$UP[]_CONFIG $DOWN[]_config_args \ + --version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` + DOWN[]_config_micro_version=`$UP[]_CONFIG $DOWN[]_config_args \ + --version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` + DOWN[]_wanted_major_version="regexp($2, [\<\([0-9]*\)], [\1])" + DOWN[]_wanted_minor_version="regexp($2, [\<\([0-9]*\)\.\([0-9]*\)], [\2])" + DOWN[]_wanted_micro_version="regexp($2, [\<\([0-9]*\).\([0-9]*\).\([0-9]*\)], [\3])" + + # Compare wanted version to what config script returned. + # If I knew what library was being run, i'd probably also compile + # a test program at this point (which also extracted and tested + # the version in some library-specific way) + if test "$DOWN[]_config_major_version" -lt \ + "$DOWN[]_wanted_major_version" \ + -o \( "$DOWN[]_config_major_version" -eq \ + "$DOWN[]_wanted_major_version" \ + -a "$DOWN[]_config_minor_version" -lt \ + "$DOWN[]_wanted_minor_version" \) \ + -o \( "$DOWN[]_config_major_version" -eq \ + "$DOWN[]_wanted_major_version" \ + -a "$DOWN[]_config_minor_version" -eq \ + "$DOWN[]_wanted_minor_version" \ + -a "$DOWN[]_config_micro_version" -lt \ + "$DOWN[]_wanted_micro_version" \) ; then + # older version found + no_[]DOWN=yes + echo -n "*** An old version of $1 " + echo -n "($DOWN[]_config_major_version" + echo -n ".$DOWN[]_config_minor_version" + echo ".$DOWN[]_config_micro_version) was found." + echo -n "*** You need a version of $1 newer than " + echo -n "$DOWN[]_wanted_major_version" + echo -n ".$DOWN[]_wanted_minor_version" + echo ".$DOWN[]_wanted_micro_version." + echo "***" + echo "*** If you have already installed a sufficiently new version, this error" + echo "*** probably means that the wrong copy of the DOWN-config shell script is" + echo "*** being found. The easiest way to fix this is to remove the old version" + echo "*** of $1, but you can also set the UP[]_CONFIG environment to point to the" + echo "*** correct copy of DOWN-config. (In this case, you will have to" + echo "*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf" + echo "*** so that the correct libraries are found at run-time)" + fi + ]) + fi + if test "x$no_[]DOWN" = x ; then + AC_MSG_RESULT(yes) + ifelse([$3], , :, [$3]) + else + AC_MSG_RESULT(no) + if test "$UP[]_CONFIG" = "no" ; then + echo "*** The DOWN-config script installed by $1 could not be found" + echo "*** If $1 was installed in PREFIX, make sure PREFIX/bin is in" + echo "*** your path, or set the UP[]_CONFIG environment variable to the" + echo "*** full path to DOWN-config." + fi + UP[]_CFLAGS="" + UP[]_LIBS="" + ifelse([$4], , :, [$4]) + fi + AC_SUBST(UP[]_CFLAGS) + AC_SUBST(UP[]_LIBS) + + popdef([UP]) + popdef([DOWN]) +]) |