145 lines
4.1 KiB
Plaintext
145 lines
4.1 KiB
Plaintext
# Configuration for grep
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#
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# Alain Magloire <alainm@gnu.org>
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# Bernhard Rosenkraenzer <bero@redhat.com>
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#
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dnl Process this file with autoconf to produce a configure script
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AC_INIT(src/grep.c)
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AC_DEFINE(GREP, 1, [We are building grep])
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AC_PREREQ(2.53)
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dnl Automake stuff.
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AM_INIT_AUTOMAKE(grep, 2.5.1)
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AM_CONFIG_HEADER(config.h:config.hin)
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dnl Check for arguments
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AC_ARG_ENABLE(perl-regexp,
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[ --disable-perl-regexp disable perl-regexp],
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[case "${enableval}" in
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yes) testpcre=yes ;;
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no) testpcre=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for --disable-perl-regexp) ;;
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esac],[testpcre=yes])
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dnl Checks for programs.
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AC_CANONICAL_HOST
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AC_PROG_AWK
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_PROG_RANLIB
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_SYS_LARGEFILE
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AM_C_PROTOTYPES
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AC_TYPE_SIZE_T
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AC_CHECK_TYPE(ssize_t, int)
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AC_C_CONST
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jm_AC_TYPE_UINTMAX_T
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dnl Checks for header files.
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AC_HEADER_STDC
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AC_CHECK_HEADERS(string.h stdlib.h sys/param.h memory.h unistd.h libintl.h)
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AC_CHECK_HEADERS(wctype.h wchar.h)
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AC_HEADER_DIRENT
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AC_HEADER_STAT
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AC_MBSTATE_T
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dnl Checks for functions.
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AC_FUNC_ALLOCA
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AC_FUNC_CLOSEDIR_VOID
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AC_FUNC_MMAP
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dnl getpagesize is checked for by AC_FUNC_MMAP.
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AC_CHECK_FUNCS(btowc isascii memmove setmode strerror wctype mbrtowc)
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AC_REPLACE_FUNCS(memchr stpcpy strtoul atexit fnmatch)
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jm_AC_PREREQ_XSTRTOUMAX
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dnl Replace this with jm_CHECK_DECLS once autoconf 2.15 is out.
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jm_CHECK_DECLARATIONS([#include <stdlib.h>], [strtoul strtoull])
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test $jm_cv_func_decl_strtoul != yes
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AC_DEFINE_UNQUOTED([HAVE_DECL_STRTOUL], $?,
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[Define if <stdlib.h> declares strtoul.])
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test $jm_cv_func_decl_strtoull != yes
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AC_DEFINE_UNQUOTED([HAVE_DECL_STRTOULL], $?,
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[Define if <stdlib.h> declares strtoull.])
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dnl for VC++
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case "$ac_cv_prog_CC" in
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cl*) AC_DEFINE([alloca], _alloca, [Define if your compiler is broken]) ;;
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*) ;;
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esac
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dnl I18N feature
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ALL_LINGUAS="cs de el eo es et fr gl hr id it ja ko nl no pl pt_BR ru sl sv"
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AM_GNU_GETTEXT
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dnl DOS file name convention
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dnl sets HAVE_DOS_FILE_NAMES
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AC_DOSFILE
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dnl check for the environ separator
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dnl sets SEP
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AM_SEP
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dnl OS specifics
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dnl sets {EXE,OBJ}EXT
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AC_EXEEXT
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dnl Invoke the (capitalized) ac_objext macro without spelling its name.
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dnl This works around a bug in automake 1.4 with ansi2knr.
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dnl Automake looks for (capitalized) ac_objext by grepping for it,
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dnl so it won't find it in this file.
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ifelse(,, [AC][_OBJEXT])
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dnl some folks ask for this, that's fine by me
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dnl hope they know what they're doing ...
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dnl if glibc2 regex is not included
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dnl Many GNU/Linux people have different
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dnl glibc versions with buggy regex.
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jm_INCLUDED_REGEX(lib/regex.c)
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dnl Many people on non-GNU/Linux systems don't have getopt
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AC_CHECK_FUNC(getopt_long,
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[
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AC_ARG_WITH(included-getopt,
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[ --with-included-getopt Use the included getopt rather than glibc's],
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with_getopt=$withval,
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with_getopt=$no)
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if test "x$with_getopt" = xyes; then
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AC_LIBOBJ(getopt)
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AC_LIBOBJ(getopt1)
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fi
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],
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[
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AC_LIBOBJ(getopt)
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AC_LIBOBJ(getopt1)
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])
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dnl Some installers want to be informed if we do not use our regex.
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dnl For example, if the host platform uses dynamic linking and the installer
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dnl knows that the grep may be invoked on other hosts with buggy libraries,
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dnl then the installer should configure --with-included-regex.
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if test "$jm_with_regex" = no; then
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AC_MSG_WARN(Included lib/regex.c not used)
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fi
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dnl These are the prerequisite macros for GNU's error.c file.
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AC_FUNC_STRERROR_R
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jm_PREREQ_ERROR
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dnl Determine whether malloc accepts 0 as its argument.
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dnl If it doesn't, arrange to use the replacement function.
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jm_FUNC_MALLOC
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jm_FUNC_REALLOC
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# support for pcre
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if test x"$testpcre" = x"yes"; then
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if pcre-config --cflags >/dev/null 2>&1; then
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CFLAGS="$CFLAGS `pcre-config --cflags`"
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LIBS="$LIBS `pcre-config --libs`"
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fi
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AC_CHECK_LIB(pcre, pcre_exec)
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fi
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AC_OUTPUT(Makefile lib/Makefile lib/posix/Makefile src/Makefile tests/Makefile po/Makefile.in intl/Makefile doc/Makefile m4/Makefile vms/Makefile bootstrap/Makefile, [sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile; echo timestamp > stamp-h])
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