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configure.ac
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configure.ac
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# Process this file with autoconf to produce a configure script.
##
# ad -- ASCII dump
# configure.ac
#
# Copyright (C) 2016-2024 Paul J. Lucas
#
# 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_PREREQ([2.69])
AC_INIT([ad],[3.4.2],[https://github.com/paul-j-lucas/ad/issues],[],[https://github.com/paul-j-lucas/ad])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([-Wall -Werror foreign])
# Checks for programs.
AC_LANG(C)
AC_PROG_CC
AS_IF([test "x$ac_cv_prog_cc_c11" = xno],
[AC_MSG_ERROR([a C11 compiler is required to compile $PACKAGE_NAME])])
gl_EARLY
AC_PROG_INSTALL
AC_PROG_RANLIB
# Checks for libraries.
# Checks for header files.
AC_CHECK_HEADERS([ctype.h])
AC_CHECK_HEADERS([errno.h])
AC_CHECK_HEADERS([fcntl.h])
AC_CHECK_HEADERS([getopt.h])
AC_CHECK_HEADERS([inttypes.h])
AC_CHECK_HEADERS([langinfo.h])
AC_CHECK_HEADERS([libgen.h])
AC_CHECK_HEADERS([locale.h])
AC_CHECK_HEADERS([stddef.h])
AC_CHECK_HEADERS([stdint.h])
AC_CHECK_HEADERS([sys/stat.h])
AC_CHECK_HEADERS([sys/types.h])
AC_CHECK_HEADERS([sysexits.h])
AC_CHECK_HEADERS([unistd.h])
AC_HEADER_ASSERT
AC_HEADER_STDBOOL
gl_INIT
# Checks for typedefs, structures, and compiler characteristics.
AC_C_BIGENDIAN
AC_C_INLINE
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
PJL_CHECK_TYPEDEF(char8_t,[uchar.h],
AC_DEFINE([HAVE_CHAR8_T], [1], [Define to 1 if `char8_t' is supported.]),
AC_DEFINE([HAVE_CHAR8_T], [0], [Define to 1 if `char8_t' is supported.])
)
PJL_CHECK_TYPEDEF(char32_t,[uchar.h],
AC_DEFINE([HAVE_CHAR32_T], [1], [Define to 1 if `char32_t' is supported.]),
AC_DEFINE([HAVE_CHAR32_T], [0], [Define to 1 if `char32_t' is supported.])
)
PJL_COMPILE([__typeof__],[],[__typeof__(1) x __attribute__((unused)) = 1;])
# Checks for library functions.
AC_FUNC_FSEEKO
AC_FUNC_REALLOC
AC_CHECK_FUNCS([basename fgetln getline nl_langinfo setlocale strdup strerror strsep])
# Miscellaneous.
AX_C___ATTRIBUTE__
# Compiler warnings.
AC_SUBST([AD_CFLAGS])
AX_CFLAGS_WARN_ALL([AD_CFLAGS])
AX_CHECK_COMPILE_FLAG([-Wcast-align], [AD_CFLAGS="$AD_CFLAGS -Wcast-align"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wcast-function-type], [AD_CFLAGS="$AD_CFLAGS -Wcast-function-type"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wcomma], [AD_CFLAGS="$AD_CFLAGS -Wcomma"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wconditional-type-mismatch], [AD_CFLAGS="$AD_CFLAGS -Wconditional-type-mismatch"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wconditional-uninitialized], [AD_CFLAGS="$AD_CFLAGS -Wconditional-uninitialized"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wconversion], [AD_CFLAGS="$AD_CFLAGS -Wconversion"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wduplicate-enum], [AD_CFLAGS="$AD_CFLAGS -Wduplicate-enum"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wembedded-directive], [AD_CFLAGS="$AD_CFLAGS -Wembedded-directive"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wenum-enum-conversion], [AD_CFLAGS="$AD_CFLAGS -Wenum-enum-conversion"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wenum-float-conversion], [AD_CFLAGS="$AD_CFLAGS -Wenum-float-conversion"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wextra], [AD_CFLAGS="$AD_CFLAGS -Wextra"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wfloat-equal], [AD_CFLAGS="$AD_CFLAGS -Wfloat-equal"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wfor-loop-analysis], [AD_CFLAGS="$AD_CFLAGS -Wfor-loop-analysis"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wformat-signedness], [AD_CFLAGS="$AD_CFLAGS -Wformat-signedness"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wformat-type-confusion], [AD_CFLAGS="$AD_CFLAGS -Wformat-type-confusion"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wformat], [AD_CFLAGS="$AD_CFLAGS -Wformat"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Widiomatic-parentheses], [AD_CFLAGS="$AD_CFLAGS -Widiomatic-parentheses"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough], [AD_CFLAGS="$AD_CFLAGS -Wimplicit-fallthrough"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wlogical-op-parentheses], [AD_CFLAGS="$AD_CFLAGS -Wlogical-op-parentheses"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wmisleading-indentation], [AD_CFLAGS="$AD_CFLAGS -Wmisleading-indentation"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wnewline-eof], [AD_CFLAGS="$AD_CFLAGS -Wnewline-eof"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wpedantic], [AD_CFLAGS="$AD_CFLAGS -Wpedantic"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wredundant-decls], [AD_CFLAGS="$AD_CFLAGS -Wredundant-decls"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wreserved-identifier], [AD_CFLAGS="$AD_CFLAGS -Wreserved-identifier"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wshadow], [AD_CFLAGS="$AD_CFLAGS -Wshadow"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wshift-sign-overflow], [AD_CFLAGS="$AD_CFLAGS -Wshift-sign-overflow"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wshorten-64-to-32], [AD_CFLAGS="$AD_CFLAGS -Wshorten-64-to-32"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wsign-compare], [AD_CFLAGS="$AD_CFLAGS -Wsign-compare"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wsign-conversion], [AD_CFLAGS="$AD_CFLAGS -Wsign-conversion"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wsometimes-uninitialized], [AD_CFLAGS="$AD_CFLAGS -Wsometimes-uninitialized"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wstring-conversion], [AD_CFLAGS="$AD_CFLAGS -Wstring-conversion"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wtautological-compare], [AD_CFLAGS="$AD_CFLAGS -Wtautological-compare"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wtautological-type-limit-compare], [AD_CFLAGS="$AD_CFLAGS -Wtautological-type-limit-compare"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wundef], [AD_CFLAGS="$AD_CFLAGS -Wundef"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wuninitialized], [AD_CFLAGS="$AD_CFLAGS -Wuninitialized"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wunreachable-code-break], [AD_CFLAGS="$AD_CFLAGS -Wunreachable-code-break"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wunreachable-code-return], [AD_CFLAGS="$AD_CFLAGS -Wunreachable-code-return"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wunreachable-code], [AD_CFLAGS="$AD_CFLAGS -Wunreachable-code"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wunused], [AD_CFLAGS="$AD_CFLAGS -Wunused"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wwrite-strings], [AD_CFLAGS="$AD_CFLAGS -Wwrite-strings"], [], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wzero-as-null-pointer-constant], [AD_CFLAGS="$AD_CFLAGS -Wzero-as-null-pointer-constant"], [], [-Werror])
# Generate files.
AH_TOP([#ifndef ad_config_H
#define ad_config_H])
AH_BOTTOM([#endif /* ad_config_H */])
AC_CONFIG_HEADERS([src/config.h])
AC_CONFIG_FILES([
Makefile
lib/Makefile
src/Makefile
test/Makefile
man/Makefile
man/man1/Makefile
])
AC_OUTPUT
# vim:set et sw=2 ts=2: