LT_INIT
# Initialize pkg-config.
+# We require at least 0.22, as "Requires.private" behaviour changed there.
PKG_PROG_PKG_CONFIG([0.22])
# Library version for libserialport (NOT the same as the package version).
AC_SUBST(SP_LIB_LDFLAGS)
# Checks for header files.
-# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
-AC_CHECK_HEADERS([sys/types.h sys/stat.h fcntl.h termios.h sys/ioctl.h errno.h])
+# These are already checked: inttypes.h dlfcn.h memory.h stdint.h stdlib.h
+# string.h strings.h sys/types.h sys/stat.h unistd.h
+AC_CHECK_HEADERS([errno.h fcntl.h stddef.h sys/ioctl.h termios.h])
case $target_os in
*linux*)
+ # On Linux libudev is currently a hard requirement.
PKG_CHECK_MODULES([libudev], [libudev >= 0],
[CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS"],
[AC_MSG_ERROR([libudev.h not found])])
echo
echo "libserialport configuration summary:"
echo
-echo " - Package version (major.minor): $SP_PACKAGE_VERSION"
+echo " - Package version (major.minor): $SP_PACKAGE_VERSION"
echo " - Library version (current:revision:age): $SP_LIB_VERSION"
echo " - Prefix: $prefix"
echo " - Building on: $build"