diff options
Diffstat (limited to 'm4/libusb.m4')
| -rw-r--r-- | m4/libusb.m4 | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/m4/libusb.m4 b/m4/libusb.m4 index d11a9d954..809dc1dd9 100644 --- a/m4/libusb.m4 +++ b/m4/libusb.m4 @@ -1,5 +1,5 @@ dnl Check for libusb -dnl Copyright (C) 2004 Free Software Foundation, Inc. +dnl Copyright (C) 2004, 2005 Free Software Foundation, Inc. dnl dnl This file is free software, distributed under the terms of the GNU dnl General Public License. As a special exception to the GNU General @@ -22,10 +22,24 @@ AC_DEFUN([GNUPG_CHECK_LIBUSB], if test -d "$withval" ; then CPPFLAGS="${CPPFLAGS} -I$withval/include" LDFLAGS="${LDFLAGS} -L$withval/lib" + AC_PATH_PROG([_usb_config],["$_do_libusb/bin/libusb-config"]) + else + AC_PATH_PROG([_usb_config],[libusb-config]) fi _libusb_save_libs=$LIBS - LIBS="$LIBS -lusb" + _libusb_save_cflags=$CFLAGS + + if test x$_usb_config != "x" ; then + _libusb_try_libs=`$LIBS $_usb_config --libs` + _libusb_try_cflags=`$LIBS $_usb_config --cflags` + else + _libusb_try_libs="-lusb" + _libusb_try_cflags="" + fi + + LIBS="$LIBS $_libusb_try_libs" + CFLAGS="$CFLAGS $_libusb_try_cflags" AC_MSG_CHECKING([whether libusb is present and sane]) @@ -38,13 +52,18 @@ usb_bulk_write(NULL,0,NULL,0,0); if test $_found_libusb = yes ; then AC_DEFINE(HAVE_LIBUSB,1, [Define to 1 if you have a fully functional libusb library.]) - AC_SUBST(LIBUSB,"-lusb") + AC_SUBST(LIBUSB_CPPFLAGS,$_libusb_try_cflags) + AC_SUBST(LIBUSB,$_libusb_try_libs) AC_CHECK_FUNCS(usb_get_busses) fi LIBS=$_libusb_save_libs + CFLAGS=$_libusb_save_cflags unset _libusb_save_libs + unset _libusb_save_cflags + unset _libusb_try_libs + unset _libusb_try_cflags unset _found_libusb fi ])dnl |