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135 lines
3.5 KiB
Plaintext
135 lines
3.5 KiB
Plaintext
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# Configure `patch'.
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# Copyright 1993, 1997 Free Software Foundation, Inc.
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.12)
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AC_INIT(patch.c)
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AC_CONFIG_HEADER(config.h:config.hin)
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AC_ARG_PROGRAM
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PACKAGE=patch
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VERSION=2.5
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AC_SUBST(PACKAGE)
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AC_SUBST(VERSION)
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_INSTALL
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AC_PROG_MAKE_SET
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# Use ed_PROGRAM, not ED_PROGRAM,
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# because <errno.h> reserves symbols starting with `E'.
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AC_PATH_PROG(ed_PROGRAM, ed, ed)
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# If available, prefer support for large files unless the user specified
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# one of the CPPFLAGS, LDFLAGS, or LIBS variables.
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AC_MSG_CHECKING(whether large file support needs explicit enabling)
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ac_getconfs=''
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ac_result=yes
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ac_set=''
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ac_shellvars='CPPFLAGS LDFLAGS LIBS'
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for ac_shellvar in $ac_shellvars; do
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case $ac_shellvar in
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CPPFLAGS) ac_lfsvar=LFS_CFLAGS ;;
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*) ac_lfsvar=LFS_$ac_shellvar ;;
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esac
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eval test '"${'$ac_shellvar'+set}"' = set && ac_set=$ac_shellvar
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(getconf $ac_lfsvar) >/dev/null 2>&1 || { ac_result=no; break; }
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ac_getconf=`getconf $ac_lfsvar`
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ac_getconfs=$ac_getconfs$ac_getconf
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eval ac_test_$ac_shellvar=\$ac_getconf
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done
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case "$ac_result$ac_getconfs" in
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yes) ac_result=no ;;
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esac
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case "$ac_result$ac_set" in
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yes?*) ac_result="yes, but $ac_set is already set, so use its settings"
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esac
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AC_MSG_RESULT($ac_result)
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case $ac_result in
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yes)
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for ac_shellvar in $ac_shellvars; do
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eval $ac_shellvar=\$ac_test_$ac_shellvar
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done ;;
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esac
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AC_AIX
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AC_MINIX
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AC_ISC_POSIX
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AC_C_CONST
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AC_HEADER_DIRENT
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AC_HEADER_STDC
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AC_CHECK_HEADERS(fcntl.h limits.h string.h unistd.h utime.h varargs.h)
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AC_TYPE_MODE_T
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AC_TYPE_OFF_T
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AC_TYPE_SIGNAL
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AC_TYPE_SIZE_T
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dnl Some systems have utime.h but don't declare the struct anywhere.
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AC_MSG_CHECKING(for struct utimbuf)
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AC_CACHE_VAL(patch_cv_sys_struct_utimbuf,
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[AC_TRY_COMPILE([#include <sys/types.h>
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#if HAVE_UTIME_H
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#include <utime.h>
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#endif], [static struct utimbuf x; x.actime = x.modtime;],
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patch_cv_sys_struct_utimbuf=yes,
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patch_cv_sys_struct_utimbuf=no)])
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AC_MSG_RESULT($patch_cv_sys_struct_utimbuf)
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if test $patch_cv_sys_struct_utimbuf = yes; then
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AC_DEFINE(HAVE_STRUCT_UTIMBUF)
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fi
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# Check for NetBSD 1.0 bug, where memchr(..., 0) returns nonzero.
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AC_MSG_CHECKING(for working memchr)
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AC_CACHE_VAL(ac_cv_func_memchr,
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[AC_TRY_RUN([#include <string.h>
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main () { exit (memchr ("", 0, 0) != 0 || memchr ("", 1, 0) != 0); }],
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ac_cv_func_memchr=yes,
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ac_cv_func_memchr=no,
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AC_MSG_WARN([We are cross-compiling so we assume memchr does not work.])
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ac_cv_func_memchr=no)])dnl
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AC_MSG_RESULT($ac_cv_func_memchr)
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if test $ac_cv_func_memchr = yes; then
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AC_DEFINE(HAVE_MEMCHR)
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fi
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AC_CHECK_FUNC(getopt_long, , [LIBOBJS="$LIBOBJS getopt1.o getopt.o"])
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AC_SUBST(LIBOBJS)
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AC_CHECK_FUNCS(_doprintf isascii memcmp mkdir mktemp pathconf raise sigaction sigprocmask sigsetmask)
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AC_REPLACE_FUNCS(memchr rename)
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AC_FUNC_CLOSEDIR_VOID
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AC_FUNC_VPRINTF
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AC_SYS_LONG_FILE_NAMES
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AC_MSG_CHECKING([for d_ino member in directory struct])
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AC_CACHE_VAL(patch_cv_sys_d_ino_in_dirent,
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[AC_TRY_LINK([
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#include <sys/types.h>
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#if HAVE_DIRENT_H
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# include <dirent.h>
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#else
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# define dirent direct
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# if HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# ifdef HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# ifdef HAVE_NDIR_H
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# include <ndir.h>
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# endif
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#endif
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],
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[struct dirent dp; dp.d_ino = 0;],
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patch_cv_sys_d_ino_in_dirent=yes,
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patch_cv_sys_d_ino_in_dirent=no)])
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AC_MSG_RESULT($patch_cv_sys_d_ino_in_dirent)
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if test $patch_cv_sys_d_ino_in_dirent = yes; then
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AC_DEFINE(D_INO_IN_DIRENT)
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fi
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AC_OUTPUT(Makefile)
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