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|
dnl Process this file with autoconf to produce a configure script.
AC_INIT(ruby.h)
PROGS="ruby"
AC_SUBST(PROGS)dnl
dnl checks for alternative programs
AC_ARG_WITH(gcc, [--without-gcc never use gcc], [
case $withval in
no) CC=cc
without_gcc=yes;;
yes) CC=gcc
without_gcc=no;;
*) CC=$withval
without_gcc=$withval;;
esac], [without_gcc=no])
dnl If the user switches compilers, we can't believe the cache
if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
then
AC_ERROR(cached CC is different -- throw away $cache_file
(it is also a good idea to do 'make clean' before compiling))
fi
dnl Checks for programs.
AC_PROG_CC
AC_PROG_GCC_TRADITIONAL
AC_PROG_YACC
AC_PROG_INSTALL
AC_PROG_MAKE_SET
# checks for UNIX variants that set C preprocessor variables
AC_AIX
AC_MINIX
dnl Checks for libraries.
AC_CHECK_LIB(crypt, crypt)
AC_CHECK_LIB(dl, dlopen, [:]) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(limits.h sys/file.h sys/ioctl.h pwd.h\
sys/time.h sys/times.h sys/param.h unistd.h\
syscall.h a.out.h string.h utime.h memory.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_UID_T
AC_TYPE_SIZE_T
AC_STRUCT_ST_BLKSIZE
AC_STRUCT_ST_BLOCKS
AC_STRUCT_ST_RDEV
dnl Checks for library functions.
AC_TYPE_GETGROUPS
AC_TYPE_SIGNAL
AC_FUNC_ALLOCA
AC_FUNC_VFORK
AC_REPLACE_FUNCS(dup2 setenv memmove mkdir strerror strftime\
strstr strtoul strdup crypt)
AC_CHECK_FUNCS(fmod killpg random wait4 waitpid syscall getcwd\
truncate chsize times utimes fcntl\
setruid seteuid setreuid setrgid setegid setregid\
getgroups getpriority sigprocmask dlopen)
if test "$ac_cv_func strftime" = no; then
AC_STRUCT_TIMEZONE
AC_TRY_LINK([],
[extern int daylight; int i = daylight;], AC_DEFINE(HAVE_DAYLIGHT))
fi
AC_C_BIGENDIAN
AC_MSG_CHECKING([count field in FILE structures])
AC_CACHE_VAL(rb_cv_fcnt,
[AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_cnt = 0;], rb_cv_fcnt="_cnt", )
if test "$rb_cv_fcnt=" = ""; then
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->__cnt = 0;], rb_cv_fcnt="__cnt", )
fi
if test "$rb_cv_fcnt=" = ""; then
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_r = 0;], rb_cv_fcnt="_r", )
fi
if test "$rb_cv_fcnt=" = ""; then
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->readCount = 0;], rb_cv_fcnt="readCount", )
fi])
if test "$rb_cv_fcnt"; then
AC_MSG_RESULT($rb_cv_fcnt)
AC_DEFINE_UNQUOTED(FILE_COUNT, $rb_cv_fcnt)
else
AC_MSG_RESULT([not found(OK if using GNU libc)])
fi
if test "$ac_cv_func_getpwent" = yes; then
AC_MSG_CHECKING(struct passwd)
AC_EGREP_HEADER(pw_change, pwd.h, AC_DEFINE(PW_CHANGE))
AC_EGREP_HEADER(pw_quota, pwd.h, AC_DEFINE(PW_QUOTA))
AC_EGREP_HEADER(pw_age, pwd.h, AC_DEFINE(PW_AGE))
AC_EGREP_HEADER(pw_class, pwd.h, AC_DEFINE(PW_CLASS))
AC_EGREP_HEADER(pw_comment, pwd.h, AC_DEFINE(PW_COMMENT))
AC_EGREP_HEADER(pw_expire, pwd.h, AC_DEFINE(PW_EXPIRE))
AC_MSG_RESULT(done)
fi
dnl wheather use dln_a_out ot not
AC_ARG_WITH(dln-a-out, [--with-dln-a-out use dln_a_out if possible], [
case $withval in
yes) with_dln_a_out=yes;;
*) with_dln_a_out=no;;
esac], [with_dln_a_out=no])
if test "$with_dln_a_out" = yes && test "$ac_cv_header_a_out_h" = yes; then
AC_MSG_CHECKING(whether matz's dln works)
cat confdefs.h > config.h
AC_CACHE_VAL(rb_cv_dln_a_out,
[AC_TRY_COMPILE([
#define USE_DLN_A_OUT
#include "dln.c"
],
[],
rb_cv_dln_a_out=yes,
rb_cv_dln_a_out=no)])
AC_MSG_RESULT($rb_cv_dln_a_out)
if test "$rb_cv_dln_a_out" = yes; then
AC_DEFINE(USE_DLN_A_OUT)
fi
else
rb_cv_dln_a_out=no
fi
AC_SUBST(STATIC)dnl
AC_SUBST(CCDLFLAGS)dnl
AC_SUBST(LDSHARED)dnl
AC_SUBST(DLEXT)dnl
STATIC=
if test "$rb_cv_dln_a_out" = yes; then
if test "$GCC" = yes; then
STATIC=-static
else
STATIC=-Bstatic
fi
DLEXT=o
AC_DEFINE(DLEXT, ".o")
CCDLFLAGS=
LDCMD=
else
AC_CANONICAL_HOST
case "$host_os" in
hpux*) DLEXT=sl
AC_DEFINE(DLEXT, ".sl");;
*) DLEXT=so
AC_DEFINE(DLEXT, ".so");;
esac
if test "$GCC" = yes; then
CCDLFLAGS=-fpic
else
case "$host_os" in
hpux*) CCDLFLAGS='+z';;
solaris*|irix*) CCDLFLAGS='-K pic' ;;
sunos*) CCDLFLAGS='-pic' ;;
svr4*|esix*) CCDLFLAGS='-Kpic' ;;
*) CCDLFLAGS='' ;;
esac
fi
case "$host_os" in
hpux*) LDSHARED='ld -b' ;;
solaris*) LDSHARED='ld -G' ;;
sunos*) LDSHARED='ld -assert nodefinitions' ;;
svr4*|esix*) LDSHARED="ld -G" ;;
linux*) LDSHARED="gcc-elf -shared" ;;
*) LDSHARED='ld' ;;
esac
fi
if test "$prefix" = NONE; then
AC_DEFINE_UNQUOTED(RUBY_LIB, ".:${ac_default_prefix}/lib/ruby")
else
AC_DEFINE_UNQUOTED(RUBY_LIB, ".:${prefix}/lib/ruby")
fi
echo "creating config.h"
cat confdefs.h > config.h
AC_OUTPUT(Makefile ext/extmk.rb)
|
