| 1 | # configure.in - input to autoconf |
| 2 | # |
| 3 | # This file is part of adns, which is |
| 4 | # Copyright (C) 1997-2000,2003,2006,2014 Ian Jackson |
| 5 | # Copyright (C) 2014 Mark Wooding |
| 6 | # Copyright (C) 1999-2000,2003,2006 Tony Finch |
| 7 | # Copyright (C) 1991 Massachusetts Institute of Technology |
| 8 | # (See the file INSTALL for full details.) |
| 9 | # |
| 10 | # This program is free software; you can redistribute it and/or modify |
| 11 | # it under the terms of the GNU General Public License as published by |
| 12 | # the Free Software Foundation; either version 3, or (at your option) |
| 13 | # any later version. |
| 14 | # |
| 15 | # This program is distributed in the hope that it will be useful, |
| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | # GNU General Public License for more details. |
| 19 | # |
| 20 | # You should have received a copy of the GNU General Public License |
| 21 | # along with this program; if not, write to the Free Software Foundation. |
| 22 | |
| 23 | AC_INIT(src/adns.h) |
| 24 | AC_CONFIG_HEADER(src/config.h) |
| 25 | |
| 26 | dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>) |
| 27 | define([DPKG_CACHED_TRY_COMPILE],[ |
| 28 | AC_MSG_CHECKING($1) |
| 29 | AC_CACHE_VAL($2,[ |
| 30 | AC_TRY_COMPILE([$3],[$4],[$2=yes],[$2=no]) |
| 31 | ]) |
| 32 | if test "x$$2" = xyes; then |
| 33 | true |
| 34 | $5 |
| 35 | else |
| 36 | true |
| 37 | $6 |
| 38 | fi |
| 39 | ]) |
| 40 | |
| 41 | AC_MSG_CHECKING(whether you requested dynamic linking) |
| 42 | AC_SUBST(ENABLE_DYNAMIC) |
| 43 | AC_ARG_ENABLE(dynamic, |
| 44 | [ --disable-dynamic use static linking |
| 45 | --enable-dynamic[=elf] create and use ELF dynamic library (default)], |
| 46 | [ case "$enableval" in |
| 47 | elf|yes) |
| 48 | ENABLE_DYNAMIC=elf |
| 49 | AC_MSG_RESULT([yes (ELF)]) |
| 50 | ;; |
| 51 | no) ENABLE_DYNAMIC=no |
| 52 | AC_MSG_RESULT(no) |
| 53 | ;; |
| 54 | *) AC_MSG_ERROR( |
| 55 | ["invalid value $enableval for --enable-dynamic, try yes or elf"]) |
| 56 | ;; |
| 57 | esac |
| 58 | ],[ |
| 59 | ENABLE_DYNAMIC=elf |
| 60 | AC_MSG_RESULT([yes, by default]) |
| 61 | ]) |
| 62 | |
| 63 | AC_PROG_CC |
| 64 | AC_PROG_CPP |
| 65 | AC_PROG_RANLIB |
| 66 | AC_PROG_INSTALL |
| 67 | |
| 68 | AC_CHECK_FUNCS(poll) |
| 69 | ADNS_C_GETFUNC(socket,socket) |
| 70 | ADNS_C_GETFUNC(inet_ntoa,nsl) |
| 71 | |
| 72 | PROGS_IF_TSEARCH=adnsresfilter |
| 73 | AC_SUBST(PROGS_HAVE_TSEARCH) |
| 74 | AC_CHECK_FUNC(tsearch,[ |
| 75 | PROGS_HAVE_TSEARCH=$PROGS_IF_TSEARCH |
| 76 | ],[ |
| 77 | PROGS_HAVE_TSEARCH=''; |
| 78 | AC_MSG_WARN([tsearch missing - not building client program(s) $PROGS_IF_TSEARCH]) |
| 79 | ]) |
| 80 | |
| 81 | AC_MSG_CHECKING(for INADDR_LOOPBACK) |
| 82 | AC_CACHE_VAL(adns_cv_decl_inaddrloopback,[ |
| 83 | AC_TRY_COMPILE([ |
| 84 | #include <sys/socket.h> |
| 85 | #include <netinet/in.h> |
| 86 | #include <arpa/inet.h> |
| 87 | ],[ |
| 88 | INADDR_LOOPBACK; |
| 89 | ], |
| 90 | adns_cv_decl_inaddrloopback=yes, |
| 91 | adns_cv_decl_inaddrloopback=no)]) |
| 92 | if test "$adns_cv_decl_inaddrloopback" = yes; then |
| 93 | AC_MSG_RESULT(found) |
| 94 | else |
| 95 | AC_MSG_RESULT([not in standard headers, urgh...]) |
| 96 | AC_CHECK_HEADER(rpc/types.h,[ |
| 97 | AC_DEFINE(HAVEUSE_RPCTYPES_H) |
| 98 | ],[ |
| 99 | AC_MSG_ERROR([cannot find INADDR_LOOPBACK or rpc/types.h]) |
| 100 | ]) |
| 101 | fi |
| 102 | |
| 103 | ADNS_C_GETFUNC(inet_aton,resolv,[ |
| 104 | LIBS="-lresolv $LIBS"; |
| 105 | AC_MSG_WARN([inet_aton is in libresolv, urgh. Must use -lresolv.]) |
| 106 | ]) |
| 107 | |
| 108 | DPKG_CACHED_TRY_COMPILE(inlines,dpkg_cv_c_inline,, |
| 109 | [} inline int foo (int x) {], |
| 110 | AC_MSG_RESULT(yes) |
| 111 | AC_DEFINE(HAVE_INLINE), |
| 112 | AC_MSG_RESULT(no)) |
| 113 | |
| 114 | AC_SUBST(WARNS) |
| 115 | |
| 116 | if test "${GCC-no}" = yes; then |
| 117 | WARNS="-Wall -Wmissing-prototypes -Wwrite-strings -Wstrict-prototypes -Wcast-qual -Wpointer-arith" |
| 118 | saved_cflags="$CFLAGS" |
| 119 | CFLAGS="$CFLAGS -Wno-pointer-sign" |
| 120 | DPKG_CACHED_TRY_COMPILE(-Wno-pointer-sign,adns_cv_c_wnoptrsign,, |
| 121 | [], |
| 122 | AC_MSG_RESULT(yes) |
| 123 | WARNS="$WARNS -Wno-pointer-sign", |
| 124 | AC_MSG_RESULT(no)) |
| 125 | CFLAGS="$saved_cflags" |
| 126 | else |
| 127 | WARNS= |
| 128 | fi |
| 129 | |
| 130 | ADNS_C_GCCATTRIB |
| 131 | |
| 132 | AC_SUBST(SHLIBCC) |
| 133 | AC_SUBST(MKSHLIB_1) |
| 134 | AC_SUBST(MKSHLIB_2) |
| 135 | AC_SUBST(MKSHLIB_3) |
| 136 | |
| 137 | AC_SUBST(SHLIBFORLINK) |
| 138 | AC_SUBST(SHLIBFILE) |
| 139 | AC_SUBST(SHLIBSONAME) |
| 140 | |
| 141 | SHLIBFORLINK='libadns.so' |
| 142 | SHLIBSONAME='$(SHLIBFORLINK).$(MAJOR)' |
| 143 | SHLIBFILE='$(SHLIBSONAME).$(MINOR)' |
| 144 | |
| 145 | SHLIBCC='$(CC) $(CFLAGS) -fpic' |
| 146 | MKSHLIB_1='$(CC) $(LDFLAGS) -shared -Wl,-soname=$(SHLIBSONAME) -o' |
| 147 | MKSHLIB_2='' |
| 148 | MKSHLIB_3='-lc' |
| 149 | |
| 150 | AC_OUTPUT( |
| 151 | common.make settings.make Makefile |
| 152 | src/Makefile client/Makefile dynamic/Makefile regress/Makefile |
| 153 | ) |