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dnl ** AUD_CHECK_MODULE([define name], [module], [version required],
dnl ** [informational name], [additional error message])
dnl **
dnl ** Works like PKG_CHECK_MODULES, but provides an informative
dnl ** error message if the package is not found. NOTICE! Unlike
dnl ** PKG_C_M, this macro ONLY supports one module name!
dnl **
dnl ** AUD_CHECK_MODULE([GLIB], [gtk+-2.0], [>= 2.8.0], [Gtk+2], [See http://www.gtk.org/])
AC_DEFUN([AUD_CHECK_MODULE], [
PKG_CHECK_MODULES([$1], [$2 $3], [
],[
PKG_CHECK_EXISTS([$2], [
cv_pkg_version=`$PKG_CONFIG --modversion "$2" 2>/dev/null`
AC_MSG_ERROR([[
$4 version $cv_pkg_version was found, but $2 $3 is required.
$5]])
],[
AC_MSG_ERROR([[
Cannot find $4! If you are using binary packages based system, check that you
have the corresponding -dev/devel packages installed.
$5]])
])
])
])
dnl ** Check for GNU make
AC_DEFUN([AUD_CHECK_GNU_MAKE],[
AC_CACHE_CHECK([for GNU make],_cv_gnu_make_command,[
_cv_gnu_make_command=""
for a in "$MAKE" make gmake gnumake; do
test "x$a" = "x" && continue
if ( sh -c "$a --version" 2>/dev/null | grep "GNU Make" >/dev/null ) ; then
_cv_gnu_make_command="$a"
break
fi
done
])
if test "x$_cv_gnu_make_command" != "x" ; then
MAKE="$_cv_gnu_make_command"
else
AC_MSG_ERROR([** GNU make not found. If it is installed, try setting MAKE environment variable. **])
fi
AC_SUBST([MAKE])dnl
])dnl
dnl Add $1 to CFLAGS and CXXFLAGS if supported
dnl ------------------------------------------
AC_DEFUN([AUD_CHECK_CFLAGS],[
AC_MSG_CHECKING([whether the C/C++ compiler supports $1])
OLDCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $1 -Werror"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[return 0;])],[
AC_MSG_RESULT(yes)
CFLAGS="$OLDCFLAGS $1"
CXXFLAGS="$CXXFLAGS $1"
],[
AC_MSG_RESULT(no)
CFLAGS="$OLDCFLAGS"
])
])
dnl **
dnl ** Common checks
dnl **
AC_DEFUN([AUD_COMMON_PROGS], [
dnl Check for C and C++ compilers
dnl =============================
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([AM_PROG_AS])
AC_REQUIRE([AC_C_BIGENDIAN])
AC_REQUIRE([AC_SYS_LARGEFILE])
if test "x$GCC" = "xyes"; then
CFLAGS="$CFLAGS -std=gnu99 -ffast-math -Wall -pipe"
CXXFLAGS="$CXXFLAGS -Wall -pipe"
AUD_CHECK_CFLAGS(-Wtype-limits)
fi
dnl Enable "-Wl,-z,defs" only on Linux
dnl ==============================
AC_MSG_CHECKING([for Linux])
case "$target" in
*linux*)
AC_MSG_RESULT([yes])
LDFLAGS="$LDFLAGS -Wl,-z,defs"
;;
*)
AC_MSG_RESULT([no])
;;
esac
dnl Checks for various programs
dnl ===========================
AUD_CHECK_GNU_MAKE
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PATH_PROG([RM], [rm])
AC_PATH_PROG([MV], [mv])
AC_PATH_PROG([CP], [cp])
AC_PATH_PROG([AR], [ar])
AC_PATH_PROG([TR], [tr])
AC_PATH_PROG([RANLIB], [ranlib])
dnl Check for Gtk+/GLib and pals
dnl ============================
AUD_CHECK_MODULE([GLIB], [glib-2.0], [>= 2.28], [Glib2])
])
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