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- dnl Process this file with autoconf to produce a configure script.
- AC_INIT(sed/sed.c)
- AM_CONFIG_HEADER(config.h:config_h.in)
- AC_PREREQ(2.12)dnl (not tested with anything older)
- AM_INIT_AUTOMAKE(sed, 3.02)
- AC_PROG_CC
- AC_PROG_RANLIB
-
- dnl Solaris 2.6 needs special compilation flags to support large files
- dnl (i.e. files larger than 2 GB).
- dnl This code frament taken from the configure.in file from patch-2.5.
- dnl Hopefully someday it will be handled directly by autoconf
- dnl without having to include this mess here.
- # If available, prefer support for large files unless the user specified
- # one of the CPPFLAGS, LDFLAGS, or LIBS variables.
- AC_MSG_CHECKING(whether large file support needs explicit enabling)
- ac_getconfs=''
- ac_result=yes
- ac_set=''
- ac_shellvars='CPPFLAGS LDFLAGS LIBS'
- for ac_shellvar in $ac_shellvars; do
- case $ac_shellvar in
- CPPFLAGS) ac_lfsvar=LFS_CFLAGS ;;
- *) ac_lfsvar=LFS_$ac_shellvar ;;
- esac
- eval test '"${'$ac_shellvar'+set}"' = set && ac_set=$ac_shellvar
- (getconf $ac_lfsvar) >/dev/null 2>&1 || { ac_result=no; break; }
- ac_getconf=`getconf $ac_lfsvar`
- ac_getconfs=$ac_getconfs$ac_getconf
- eval ac_test_$ac_shellvar=\$ac_getconf
- done
- case "$ac_result$ac_getconfs" in
- yes) ac_result=no ;;
- esac
- case "$ac_result$ac_set" in
- yes?*) ac_result="yes, but $ac_set is already set, so use its settings"
- esac
- AC_MSG_RESULT($ac_result)
- case $ac_result in
- yes)
- for ac_shellvar in $ac_shellvars; do
- eval $ac_shellvar=\$ac_test_$ac_shellvar
- done ;;
- esac
-
- AC_MINIX
- AC_AIX
- AC_CHECK_LIB(cposix,strerror)
-
- AC_STDC_HEADERS
- AC_CHECK_HEADERS(string.h stdlib.h limits.h unistd.h memory.h sys/types.h)
- AC_C_CONST
- AC_TYPE_SIZE_T
-
- AC_MSG_CHECKING(which regex library to use)
- ac_regex_lib=lib/regex.o
- AC_ARG_WITH(regex,
- [ --with-regex=REGEX-LIB specify an alternative regex implementation],
- [case "$withval" in yes|no) ;; *) ac_regex_lib="$withval" ;; esac])
- case "$ac_regex_lib" in
- lib/regex.o) LIBOBJS="$LIBOBJS regex.o" ;;
- ""|no) ;;
- *) LIBS="$LIBS $ac_regex_lib" ;;
- esac
- case "$ac_regex_lib" in
- "") AC_MSG_RESULT(using system's regex) ;;
- *) AC_MSG_RESULT(using $ac_regex_lib) ;;
- esac
-
- case " $LIBOBJS " in
- *\ regex.o\ *)
- ac_cv_func_regnexec=yes
- ac_cv_func_regexec=yes
- cat >> confdefs.h <<\EOF
- #define HAVE_REGNEXEC 1
- #define HAVE_REGEXEC 1
- EOF
- AC_DEFINE(USE_REGEX_GNU_H)
- ;;
- *)
- AC_CHECK_HEADERS(regex.h)
- case "$ac_cv_header_regex_h" in
- yes) ;;
- *)
- AC_MSG_ERROR(dnl
- <regex.h> header is required for use with non-default regex implementation)
- ;;
- esac
- AC_CHECK_FUNCS(regnexec regexec)
- ;;
- esac
- case "$ac_cv_func_regnexec $ac_cv_func_regexec" in
- *yes*) ;;
- *) AC_MSG_ERROR(at least one of regexec() or regnexec() must be supported) ;;
- esac
-
- AC_FUNC_ALLOCA
- AC_FUNC_MMAP
- AC_FUNC_VPRINTF
-
- AC_REPLACE_FUNCS(memchr memcmp memmove strerror)
- AC_CHECK_FUNCS(isatty bcopy bzero isascii memcpy)
-
- AC_ARG_PROGRAM
- AC_OUTPUT(Makefile djgpp/Makefile doc/Makefile dnl
- lib/Makefile sed/Makefile testsuite/Makefile
- dnl testsuite/version.good:testsuite/version.gin dnl
- )
-