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dnl GNOME_PKGCONFIG_CHECK_VERSION() extracts up to 6 decimal numbers out of given-version
dnl and required-version, using any non-number letters as delimiters. it then
dnl compares each of those 6 numbers in order 1..6 to each other, requirering
dnl all of the 6 given-version numbers to be greater than, or at least equal
dnl to the corresponding number of required-version.
dnl GNOME_PKGCONFIG_CHECK_VERSION(given-version, required-version [, match-action] [, else-action])
AC_DEFUN([GNOME_PKGCONFIG_CHECK_VERSION],[
[eval `echo "$1:0:0:0:0:0:0" | sed -e 's/^[^0-9]*//' -e 's/[^0-9]\+/:/g' \
-e 's/\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):.*/ac_v1=\1 ac_v2=\2 ac_v3=\3 ac_v4=\4 ac_v5=\5 ac_v6=\6/' \
`]
[eval `echo "$2:0:0:0:0:0:0" | sed -e 's/^[^0-9]*//' -e 's/[^0-9]\+/:/g' \
-e 's/\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):.*/ac_r1=\1 ac_r2=\2 ac_r3=\3 ac_r4=\4 ac_r5=\5 ac_r6=\6/' \
`]
ac_vm=[`expr \( $ac_v1 \> $ac_r1 \) \| \( \( $ac_v1 \= $ac_r1 \) \& \( \
\( $ac_v2 \> $ac_r2 \) \| \( \( $ac_v2 \= $ac_r2 \) \& \( \
\( $ac_v3 \> $ac_r3 \) \| \( \( $ac_v3 \= $ac_r3 \) \& \( \
\( $ac_v4 \> $ac_r4 \) \| \( \( $ac_v4 \= $ac_r4 \) \& \( \
\( $ac_v5 \> $ac_r5 \) \| \( \( $ac_v5 \= $ac_r5 \) \& \( \
\( $ac_v6 \>= $ac_r6 \) \
\) \) \
\) \) \
\) \) \
\) \) \
\) \) `]
case $ac_vm in
[1)]
[$3]
;;
*[)]
[$4]
;;
esac
])
dnl
dnl GNOME_CHECK_PKGCONFIG (script-if-enabled, [failflag])
dnl
AC_DEFUN([GNOME_CHECK_PKGCONFIG],[
AC_PATH_PROG(PKG_CONFIG, pkg-config)
have_pkgconfig=no
if test -x "$PKG_CONFIG" ; then
have_pkgconfig=yes
else
PKG_CONFIG=
fi
AC_MSG_CHECKING(for pkg-config)
if test x$have_pkgconfig = xyes ; then
pkgconfig_required_version=0.4.1
pkgconfig_version=`pkg-config --version`
GNOME_PKGCONFIG_CHECK_VERSION($pkgconfig_version, $pkgconfig_required_version, [have_pkgconfig=yes], [have_pkgconfig=no])
fi
if test x$have_pkgconfig = xyes ; then
AC_MSG_RESULT(yes)
else
PKG_CONFIG=
AC_MSG_RESULT(not found)
if test x$2 = xfail; then
AC_MSG_ERROR([
*** You need the latest pkg-config (at least $pkgconfig_required_version).
*** Get the latest version of pkg-config from
*** http://pkgconfig.sourceforce.net.])
fi
fi
AC_SUBST(PKG_CONFIG)
AC_PROVIDE([GNOME_REQUIRE_PKGCONFIG])
])
dnl
dnl GNOME_REQUIRE_PKGCONFIG
dnl
AC_DEFUN([GNOME_REQUIRE_PKGCONFIG],[
GNOME_CHECK_PKGCONFIG([], fail)
])
dnl Check if the C compiler accepts a certain C flag, and if so adds it to
dnl CFLAGS
AC_DEFUN([GNOME_PKGCONFIG_CHECK_CFLAG], [
AC_REQUIRE([GNOME_REQUIRE_PKGCONFIG])
AC_MSG_CHECKING(if C compiler accepts $1)
save_CFLAGS="$CFLAGS"
dnl make sure we add it only once
dnl this one doesn't seem to work: *[\ \ ]$1[\ \ ]*) ;;
case " $CFLAGS " in
*\ $1\ *) echo $ac_n "(already in CFLAGS) ... " ;;
*\ $1\ *) echo $ac_n "(already in CFLAGS) ... " ;;
*\ $1\ *) echo $ac_n "(already in CFLAGS) ... " ;;
*\ $1\ *) echo $ac_n "(already in CFLAGS) ... " ;;
*) CFLAGS="$CFLAGS $1" ;;
esac
AC_TRY_COMPILE([#include <stdio.h>], [printf("hello");],
[ AC_MSG_RESULT(yes)],dnl
[ CFLAGS="$save_CFLAGS" AC_MSG_RESULT(no) ])
])
dnl add $ACLOCAL_FLAGS (and optionally more dirs) to the aclocal
dnl commandline, so make can work even if it needs to rerun aclocal
AC_DEFUN([GNOME_PKGCONFIG_ACLOCALFLAGS],
[
AC_REQUIRE([GNOME_REQUIRE_PKGCONFIG])
test -n "$ACLOCAL_FLAGS" && ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"
for i in "$1"; do
ACLOCAL="$ACLOCAL -I $i"
done
])
AC_DEFUN([GNOME_PKGCONFIG_CHECK_OPTIONAL_MODULES],
[
AC_REQUIRE([GNOME_REQUIRE_PKGCONFIG])
name=$1
depvar=$3
AC_MSG_CHECKING(for libraries)
pkg_list=""
for module in $2 ""; do
if test -n "$module"; then
if `echo $module |grep -q ":"`; then
dnl has version requirement
pkg_module_name=`echo $module |sed 's/\(.*\):.*/\1/'`
test_version=`echo $module |sed 's/.*:\(.*\)/\1/'`
msg=`$PKG_CONFIG $pkg_module_name 2>&1`
if test -z "$msg"; then
dnl module exists
pkg_version=`$PKG_CONFIG --modversion $pkg_module_name`
GNOME_PKGCONFIG_CHECK_VERSION($pkg_version, $test_version,
dnl has the right version
echo $ac_n "$pkg_module_name "
pkg_list="$pkg_list $pkg_module_name"
,
AC_MSG_RESULT([($pkg_module_name)])
if test x$4 = xfail ; then
AC_MSG_ERROR([An old version of $pkg_module_name (version $pkg_version) was found. You need at least version $test_version])
else
AC_MSG_WARN([An old version of $pkg_module_name (version $pkg_version) was found. You need at least version $test_version])
fi
)
else
dnl doesn't exist
AC_MSG_RESULT([($pkg_module_name)])
if test x$4 = xfail ; then
AC_MSG_ERROR([$msg])
else
AC_MSG_WARN([$msg])
fi
fi
else
msg=`$PKG_CONFIG $module 2>&1`
if test -z "$msg"; then
echo $ac_n "$module "
pkg_list="$pkg_list $module"
else
AC_MSG_RESULT([($module)])
if test x$4 = xfail ; then
AC_MSG_ERROR([$msg])
else
AC_MSG_WARN([$msg])
fi
fi
fi
fi
done
AC_MSG_RESULT([])
if test -n "$pkg_list"; then
eval $name'_CFLAGS'=\"`$PKG_CONFIG --cflags $pkg_list`\"
eval $name'_LIBS'=\"`$PKG_CONFIG --libs $pkg_list`\"
if test -n "$depvar"; then
eval $depvar'_DEPENDS'=\"\$$depname'_DEPENDS' $pkg_list\"
else
eval $name'_DEPENDS'=\"$pkg_list\"
fi
if test -z "$4" ; then
eval 'HAVE_'$name=yes
fi
eval 'have_'$name=yes
else
eval 'have_'$name=no
fi
])
AC_DEFUN([GNOME_PKGCONFIG_CHECK_MODULES],
[
GNOME_PKGCONFIG_CHECK_OPTIONAL_MODULES($1,$2,$3,fail)
])
|
