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- # -*- Autoconf -*-
- # Process this file with autoconf to produce a configure script.
- #
- # /*
- # * Copyright 2021
- # *
- # * 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/>.
- # *
- # * SPDX-License-Identifier: GPL-3.0+
- # * License-Filename: LICENSE
- # *
- # */
- #
- # -*- Autoconf -*-
- # Process this file with autoconf to produce a configure script.
- # Macro: AC_INIT (package, version, [bug-report], [tarname], [url])
- # minor version number is increased at important feature change
- # Process with autogen.sh or manual:
- # aclocal
- # autoheader
- # autoconf
- # libtoolize --force --automake
- # automake -a --gnu --include-deps
- # or do this all using autoreconf -fvim
- #
- # test also using scan-build from llvm clang tools
- #
- AC_PREREQ([2.69])
- AC_INIT([packgpl], [0.4], [unknown])
- AC_CONFIG_SRCDIR([src/load.h])
- AC_CONFIG_HEADERS([config.h])
- AM_INIT_AUTOMAKE
- AC_LANG(C)
- # Checks for programs.
- AC_PROG_AWK
- AC_PROG_CC
- AC_PROG_MAKE_SET
- # Use c99 mode
- CFLAGS="$CFLAGS -g -std=c99 -Wall -Wextra -pedantic "
- AC_MSG_RESULT($CFLAGS)
- # Checks for libraries.
- # -lgc is boehm garbage collector for memory allocations
- AC_CHECK_LIB([gc], [GC_INIT])
- # Checks for header files.
- AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h unistd.h])
- # Checks for typedefs, structures, and compiler characteristics.
- AC_C_INLINE
- AC_TYPE_OFF_T
- AC_C_RESTRICT
- AC_TYPE_SIZE_T
- AC_TYPE_UINT32_T
- AC_TYPE_UINT8_T
- # Checks for library functions.
- AC_FUNC_ERROR_AT_LINE
- AC_FUNC_MALLOC
- AC_FUNC_MMAP
- AC_FUNC_REALLOC
- AC_CHECK_FUNCS([strchr strdup strerror strtol])
- # compilation date in config.h
- # CONFIG_DATE=`date +"%a %x %Y"`
- CONFIG_DATE=`date +"%a %d %b %Y"`
- AC_SUBST(CONFIG_DATE)
- AC_DEFINE_UNQUOTED(COMPILE_DATE, ["$CONFIG_DATE"], [Year, month and day this program is compiled.])
- # short system name in config.h
- CONFIG_UNAME=`uname -s`
- AC_SUBST(CONFIG_UNAME)
- AC_DEFINE_UNQUOTED(COMPILE_UNAME, ["$CONFIG_UNAME"], [System where this is compiled.])
- # final compiler settings
- AC_SUBST(PACKAGE_CFLAGS)
- AC_SUBST(WARNING_CFLAGS)
- AC_CONFIG_FILES([Makefile src/Makefile])
- AC_OUTPUT
- AC_MSG_NOTICE([
- Configuration:
- Source code location ${srcdir}
- Build code location ${builddir}
- Destination prefix ${prefix}
- C-Compiler ${CC}
- Config CFLAGS "${CFLAGS}"
- Config LIBS "${LIBS}"
- Config PACKAGE_CFLAGS "$PACKAGE_CFLAGS"
- Config COMPILE_DATE "$CONFIG_DATE"
- Config COMPILE_UNAME "$CONFIG_UNAME"
- ])
- # end.
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