blob: bb33e237c58616f9fb4280763ead153928c1b0f4 [file] [log] [blame]
dnl Process this file with autoconf to produce a configure script.
# Copyright (C) 2002-2021 Free Software Foundation, Inc.
#
# This file is part of LIBTASN1.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
AC_INIT([GNU Libtasn1],
m4_esyscmd([build-aux/git-version-gen .tarball-version]),
[help-libtasn1@gnu.org])
# Library code modified: REVISION++
# Interfaces changed/added/removed: CURRENT++ REVISION=0
# Interfaces added: AGE++
# Interfaces removed: AGE=0
AC_SUBST(LT_CURRENT, 12)
AC_SUBST(LT_REVISION, 1)
AC_SUBST(LT_AGE, 6)
AC_SUBST([MAJOR_VERSION], [`echo $PACKAGE_VERSION|cut -d'.' -f1`])
AC_SUBST([MINOR_VERSION], [`echo $PACKAGE_VERSION|cut -d'.' -f2`])
AC_SUBST([PATCH_VERSION], [`echo $PACKAGE_VERSION|cut -d'.' -f3`])
AC_SUBST([NUMBER_VERSION], [`printf '0x%02x%02x%02x' $MAJOR_VERSION $MINOR_VERSION $PATCH_VERSION`])
AC_MSG_NOTICE([$PACKAGE_NAME $PACKAGE_VERSION $PACKAGE_TARNAME $MAJOR_VERSION.$MINOR_VERSION.$PATCH_VERSION $NUMBER_VERSION $LT_CURRENT:$LT_REVISION:$LT_AGE $DLL_VERSION])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS(config.h)
AM_INIT_AUTOMAKE([-Wall -Wno-portability])
AM_SILENT_RULES([yes])
AC_PROG_CC
gl_EARLY
AC_PROG_YACC
AC_ARG_ENABLE(doc,
AS_HELP_STRING([--disable-doc], [don't generate any documentation]),
enable_doc=$enableval, enable_doc=yes)
AM_CONDITIONAL(ENABLE_DOC, test "$enable_doc" != "no")
AC_CHECK_FUNCS([clock_gettime fmemopen])
AM_MISSING_PROG(HELP2MAN, help2man, $missing_dir)
LT_INIT([win32-dll])
GTK_DOC_CHECK(1.2)
AC_CHECK_SIZEOF(unsigned long int, 4)
AC_CHECK_SIZEOF(unsigned int, 4)
gl_INIT
AX_CODE_COVERAGE
AC_ARG_ENABLE([gcc-warnings],
[AS_HELP_STRING([--disable-gcc-warnings],
[disable GCC warnings (for developers)])],
[case $enableval in
yes|no) ;;
*) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
esac
gl_gcc_warnings=$enableval],
[gl_gcc_warnings=yes]
)
if test "$gl_gcc_warnings" = yes; then
gl_MANYWARN_ALL_GCC([warnings])
nw=
nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
nw="$nw -Wc++-compat" # We don't care strongly about C++ compilers
nw="$nw -Wundef" # All compiler preprocessors support #if UNDEF
nw="$nw -Wtraditional" # All compilers nowadays support ANSI C
nw="$nw -Wconversion" # These warnings usually don't point to mistakes.
nw="$nw -Wpadded" # Padding internal structs doesn't help.
nw="$nw -Wunused-macros" # Lot's of warnings in ASN1.y
nw="$nw -Woverlength-strings" # Modern compilers handle strings > 4096 gracefully
nw="$nw -Wsuggest-attribute=pure" # Asked for several nodes handling functions
gl_MANYWARN_COMPLEMENT([warnings], [$warnings], [$nw])
for w in $warnings; do
gl_WARN_ADD([$w])
done
gl_WARN_ADD([-Wno-type-limits]) # Too many warnings from gnulib macros
gl_WARN_ADD([-Wformat-truncation=1])
gl_WARN_ADD([-Wimplicit-fallthrough=2])
gl_WARN_ADD([-Wno-unused-parameter])
gl_WARN_ADD([-fdiagnostics-show-option])
gl_WARN_ADD([-fdiagnostics-color=always]) # colors even when using ccache
fi
AC_ARG_ENABLE([fuzzing],
[AS_HELP_STRING([--enable-fuzzing], [Turn on fuzzing build (for developers)])],
[enable_fuzzing=yes; AC_SUBST([LIB_FUZZING_ENGINE])], [enable_fuzzing=no; LIB_FUZZING_ENGINE=""])
AM_CONDITIONAL([FUZZING], [test "$enable_fuzzing" = "yes"])
OLD_LIBS=$LIBS
AC_SEARCH_LIBS([dlsym], [dl dld])
FUZZ_LIBS=$LIBS
LIBS=$OLD_LIBS
AC_SUBST([FUZZ_LIBS])
AC_CONFIG_FILES([
Makefile
doc/Makefile
doc/reference/Makefile
examples/Makefile
fuzz/Makefile
lib/Makefile
lib/gl/Makefile
lib/includes/libtasn1.h
lib/libtasn1.pc
src/Makefile
tests/Makefile
])
AC_OUTPUT
AC_MSG_NOTICE([Summary of build options:
Version: ${VERSION}
Libtool version $LT_CURRENT:$LT_REVISION:$LT_AGE
DLL version: $DLL_VERSION
Header version: major $MAJOR_VERSION minor $MINOR_VERSION patch $PATCH_VERSION number $NUMBER_VERSION
Build/host system: ${build} / ${host}
Install prefix: ${prefix}
Compiler: ${CC}
Warning flags: ${WARN_CFLAGS}
CFLAGS: ${CFLAGS} ${CPPFLAGS}
LDFlags: ${LDFLAGS}
Documentation: ${enable_doc}
Library types: Shared=${enable_shared}, Static=${enable_static}
Valgrind: $gl_cv_prog_valgrind_works ${VALGRIND}
Version script: $have_ld_version_script
Fuzzing build: $enable_fuzzing $LIB_FUZZING_ENGINE
])