1 dnl Copyright (C) 2014-2022 Free Software Foundation, Inc. 2 dnl 3 dnl This file is part of GCC. 4 dnl 5 dnl GCC is free software; you can redistribute it and/or modify it under 6 dnl the terms of the GNU General Public License as published by the Free 7 dnl Software Foundation; either version 3, or (at your option) any later 8 dnl version. 9 dnl 10 dnl GCC is distributed in the hope that it will be useful, but WITHOUT ANY 11 dnl WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 dnl for more details. 14 dnl 15 dnl You should have received a copy of the GNU General Public License 16 dnl along with GCC; see the file COPYING3. If not see 17 dnl <http://www.gnu.org/licenses/>. 18 19 AC_INIT([libcc1], [version-unused]) 20 AC_CONFIG_SRCDIR([libcc1.cc]) 21 AC_CONFIG_HEADER(cc1plugin-config.h) 22 23 AC_CANONICAL_SYSTEM 24 AC_USE_SYSTEM_EXTENSIONS 25 # Determine the noncanonical target name, for directory use. 26 ACX_NONCANONICAL_TARGET 27 GCC_TOPLEV_SUBDIRS 28 29 # 1.11.1: Require that version of automake. 30 # foreign: Don't require README, INSTALL, NEWS, etc. 31 # no-define: Don't define PACKAGE and VERSION. 32 # -Wall: Issue all automake warnings. 33 # -Wno-portability: Don't warn about constructs supported by GNU make. 34 # (because GCC requires GNU make anyhow). 35 AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define -Wall -Wno-portability]) 36 AM_MAINTAINER_MODE 37 38 LT_INIT([disable-static]) 39 AM_PROG_LIBTOOL 40 AC_PROG_CXX 41 42 visibility= 43 if test "$GXX" = yes; then 44 visibility=-fvisibility=hidden 45 fi 46 AC_SUBST(visibility) 47 48 GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) 49 AC_SUBST(CET_HOST_FLAGS) 50 51 AC_CHECK_DECLS([basename]) 52 53 GCC_BASE_VER 54 55 if test x$with_gcc_major_version_only = xyes ; then 56 changequote(,)dnl 57 gcc_version=`sed -e 's/^\([0-9]*\).*$/\1/' $srcdir/../gcc/BASE-VER` 58 changequote([,])dnl 59 else 60 gcc_version=`cat $srcdir/../gcc/BASE-VER` 61 fi 62 AC_SUBST(gcc_version) 63 AC_SUBST([CONFIG_STATUS_DEPENDENCIES], ['$(top_srcdir)/../gcc/BASE-VER']) 64 65 ACX_PROG_CC_WARNING_OPTS([-W -Wall], [WARN_FLAGS]) 66 AC_SUBST(WARN_FLAGS) 67 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual]) 68 69 AC_ARG_VAR(GMPINC,[How to find GMP include files]) 70 71 libsuffix= 72 if test "$GXX" = yes; then 73 libsuffix=`$CXX -print-multi-os-directory` 74 fi 75 AC_SUBST(libsuffix) 76 77 dnl Test for -lsocket and -lnsl. Copied from libgo/configure.ac. 78 AC_CACHE_CHECK([for socket libraries], libcc1_cv_lib_sockets, 79 [libcc1_cv_lib_sockets= 80 libcc1_check_both=no 81 AC_CHECK_FUNC(connect, libcc1_check_socket=no, libcc1_check_socket=yes) 82 if test "$libcc1_check_socket" = "yes"; then 83 unset ac_cv_func_connect 84 AC_CHECK_LIB(socket, main, libcc1_cv_lib_sockets="-lsocket", 85 libcc1_check_both=yes) 86 fi 87 if test "$libcc1_check_both" = "yes"; then 88 libcc1_old_libs=$LIBS 89 LIBS="$LIBS -lsocket -lnsl" 90 unset ac_cv_func_accept 91 AC_CHECK_FUNC(accept, 92 [libcc1_check_nsl=no 93 libcc1_cv_lib_sockets="-lsocket -lnsl"]) 94 unset ac_cv_func_accept 95 LIBS=$libcc1_old_libs 96 fi 97 unset ac_cv_func_gethostbyname 98 libcc1_old_libs="$LIBS" 99 AC_CHECK_FUNC(gethostbyname, , 100 [AC_CHECK_LIB(nsl, main, 101 [libcc1_cv_lib_sockets="$libcc1_cv_lib_sockets -lnsl"])]) 102 unset ac_cv_func_gethostbyname 103 LIBS=$libcc1_old_libs 104 ]) 105 LIBS="$LIBS $libcc1_cv_lib_sockets" 106 107 case "$host" in 108 *-*-darwin*) darwin_dynamic_lookup=yes ;; 109 *) darwin_dynamic_lookup=no ;; 110 esac 111 AM_CONDITIONAL(DARWIN_DYNAMIC_LOOKUP, test $darwin_dynamic_lookup = yes) 112 113 # If any of these functions are missing, simply don't bother building 114 # this plugin. 115 GCC_ENABLE_PLUGINS 116 AC_CHECK_FUNC(socketpair, , enable_plugin=no) 117 AC_CHECK_FUNC(select, , enable_plugin=no) 118 AC_CHECK_FUNC(fork, , enable_plugin=no) 119 AM_CONDITIONAL(ENABLE_PLUGIN, test $enable_plugin = yes) 120 121 AC_CONFIG_FILES([Makefile]) 122 AC_OUTPUT 123