configure.ac

   1 # SPDX-License-Identifier: GPL-2.0-only
   2
   3 AC_PREREQ([2.61])
   4 # only for configure -h, see Makefile
   5 AC_INIT([software], [packages])
   6 AC_CONFIG_HEADERS([config.h])
   7 AC_CONFIG_FILES([config.mak])
   8 AC_USE_SYSTEM_EXTENSIONS
   9 AC_PROG_CC
  10 AC_PROG_CPP
  11
  12 AC_DEFUN([REQUIRE_EXECUTABLE], [
  13         AC_PATH_PROG(m4_toupper([$1]), [$1])
  14         test -z "$m4_toupper([$1])" && AC_MSG_ERROR([$2])
  15 ])
  16 REQUIRE_EXECUTABLE([m4], [m4 is required to build this package])
  17
  18 AC_DEFUN([LOPSUB_NOT_FOUND], [
  19 The lopsub library is required to build this software, but the checks
  20 indicate it is not installed on your system.  Run the following
  21 command to download a copy.
  22         git clone git://git.tuebingen.mpg.de/lopsub.git
  23 Install the library, then run this configure script again.
  24
  25 If you installed lopsub at a non-standard location, make sure to set
  26 PATH, CPPFLAGS and LDFLAGS accordingly. For example:
  27
  28         pfx=/prefix/where/lopsub/is/installed
  29         export PATH=\$pfx/bin:\$PATH
  30         export CPPFLAGS=-I\$pfx/include
  31         export LDFLAGS=-L\$pfx/lib
  32 ])
  33 REQUIRE_EXECUTABLE([lopsubgen], [LOPSUB_NOT_FOUND()])
  34 AC_CHECK_HEADER(lopsub.h, [], [AC_MSG_ERROR([LOPSUB_NOT_FOUND()])])
  35 AC_CHECK_LIB([lopsub], [lls_merge], [], [AC_MSG_ERROR([LOPSUB_NOT_FOUND()])])
  36
  37 AC_DEFUN([LIBCAP_NOT_FOUND], [the libcap library is required to build dnl
  38 this software. Package: libcap-dev])
  39 AC_CHECK_HEADER([sys/capability.h], [], [AC_MSG_ERROR([LIBCAP_NOT_FOUND()])])
  40 AC_CHECK_LIB([cap], [cap_from_text], [], [AC_MSG_ERROR([LIBCAP_NOT_FOUND()])])
  41
  42 AC_DEFUN([LIBMNL_NOT_FOUND], [the libmnl library is required to build dnl
  43 this software. Package: libmnl-dev])
  44 AC_CHECK_HEADER([libmnl/libmnl.h], [], [AC_MSG_ERROR([LIBMNL_NOT_FOUND()])])
  45 AC_CHECK_LIB([mnl], [mnl_socket_open], [], [AC_MSG_ERROR([LIBMNL_NOT_FOUND()])])
  46
  47 AC_OUTPUT