1 dnl Process this file with autoconf to produce a configure script.
2 # Copyright (C) 2002-2014 Free Software Foundation, Inc.
4 # This file is part of LIBTASN1.
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 AC_INIT([GNU Libtasn1],[3.6],[help-libtasn1@gnu.org])
21 AC_CONFIG_AUX_DIR([build-aux])
22 AC_CONFIG_MACRO_DIR([m4])
23 AC_CONFIG_HEADERS(config.h)
24 AM_INIT_AUTOMAKE([1.10 -Wall -Werror -Wno-override])
25 AM_SILENT_RULES([yes])
27 # Library code modified: REVISION++
28 # Interfaces changed/added/removed: CURRENT++ REVISION=0
29 # Interfaces added: AGE++
30 # Interfaces removed: AGE=0
31 AC_SUBST(LT_CURRENT, 8)
32 AC_SUBST(LT_REVISION, 2)
40 dnl Checks for programs.
41 AM_MISSING_PROG(HELP2MAN, help2man, $missing_dir)
47 AC_CHECK_SIZEOF(unsigned long int, 4)
48 AC_CHECK_SIZEOF(unsigned int, 4)
50 sj_UPDATE_HEADER_VERSION([$srcdir/lib/libtasn1.h])
52 # For gnulib compatibility modules.
56 AC_ARG_ENABLE([gcc-warnings],
57 [AS_HELP_STRING([--enable-gcc-warnings],
58 [turn on lots of GCC warnings (for developers)])],
61 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
63 gl_gcc_warnings=$enableval],
67 if test "$gl_gcc_warnings" = yes; then
68 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
70 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
71 nw="$nw -Wc++-compat" # We don't care strongly about C++ compilers
72 nw="$nw -Wtraditional" # Warns on #elif which we use often
73 nw="$nw -Wtraditional-conversion" # Too many warnings for now
74 nw="$nw -Wconversion" # Too many warnings for now
75 nw="$nw -Wsign-conversion" # Too many warnings for now
76 nw="$nw -Wold-style-definition" #
77 nw="$nw -Wpadded" # Our structs are not padded
79 nw="$nw -Wunreachable-code" # Too many false positives
80 nw="$nw -Wunused-macros" # Breaks on bison generated ASN1.c
81 nw="$nw -Wswitch-default" # Breaks on bison generated ASN1.c
82 nw="$nw -Wunsafe-loop-optimizations"
83 nw="$nw -Wstrict-overflow"
84 nw="$nw -Wsuggest-attribute=pure" # Is it worth using pure attributes?
86 gl_MANYWARN_ALL_GCC([ws])
87 gl_MANYWARN_COMPLEMENT(ws, [$ws], [$nw])
92 gl_WARN_ADD([-Wno-type-limits])
93 gl_WARN_ADD([-Wno-missing-field-initializers])
94 gl_WARN_ADD([-Wno-unused-parameter])
95 gl_WARN_ADD([-Wno-stack-protector]) # Some functions cannot be protected
96 gl_WARN_ADD([-fdiagnostics-show-option])
103 doc/reference/Makefile
104 doc/reference/version.xml
115 AC_MSG_NOTICE([summary of build options:
117 version: ${VERSION} shared $LT_CURRENT:$LT_REVISION:$LT_AGE
119 Install prefix: ${prefix}
121 Warning flags: errors: ${WERROR_CFLAGS} warnings: ${WARN_CFLAGS}
122 Library types: Shared=${enable_shared}, Static=${enable_static}
123 Valgrind: ${VALGRIND}
124 Version script: $have_ld_version_script