322 lines
7.8 KiB
Plaintext
322 lines
7.8 KiB
Plaintext
dnl Process this file with autoconf 2.x to produce a configure script.
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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dnl Autoconf does not seems to fit the needs of dynamic linking well -bri
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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dnl We might want AC_WORDS_BIGENDIAN in the future.
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dnl We might want AC_CHAR_UNSIGNED in the future.
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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dnl The -cckr (K&R) flag is for the IRIX C compiler. If this is left
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dnl out, scheme48vm.c breaks because the rather pedantic SGI compiler
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dnl decides that a char is not the same thing as an unsigned char.
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dnl - Bryan O'Sullivan 3/94
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AC_DEFUN(S48_CFLAG_CKR, [
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AC_MSG_CHECKING(${CC} for -cckr)
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AC_CACHE_VAL(s48_cv_cflag_ckr,[
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if test ${CC} != gcc; then
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echo "main(){int i=1;}" > conftest.c
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if CFLAGS="-cckr ${CFLAGS}" eval $ac_compile
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then
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s48_cv_cflag_ckr=yes
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else
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s48_cv_cflag_ckr=no
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fi
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else
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s48_cv_cflag_ckr=no
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fi
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rm -f conftest*])
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AC_MSG_RESULT($s48_cv_cflag_ckr)
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if test $s48_cv_cflag_ckr = yes; then
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CFLAGS=$CFLAGS
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fi
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_DEFUN(S48_POSIX_LIBC, [
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AC_MSG_CHECKING(for RISC/OS POSIX library lossage)
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AC_CACHE_VAL(s48_cv_posix_libc,[
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if test -f /usr/posix/usr/lib/libc.a; then
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s48_cv_posix_libc=yes
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else
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s48_cv_posix_libc=no
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fi])
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AC_MSG_RESULT($s48_cv_posix_libc)
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if test $s48_cv_posix_libc = yes; then
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LIBS="${LIBS} /usr/posix/usr/lib/libc.a"
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fi
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_DEFUN(S48_CFLAG_O2, [
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AC_MSG_CHECKING(whether we can use -O2)
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AC_CACHE_VAL(s48_cv_cflag_o2,[
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if test "z$CFLAGS" = "z"; then
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if test "z$GCC" = "z"; then
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s48_cv_cflag_o2=yes
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else
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s48_cv_cflag_o2=no
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fi
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else
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s48_cv_cflag_o2=preset
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fi])
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AC_MSG_RESULT($s48_cv_cflag_o2)
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case "$s48_cv_cflag_o2" in
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yes )
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CFLAGS="-O"
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;;
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no )
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CFLAGS="-O2 -g"
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;;
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esac
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_DEFUN(S48_USCORE, [
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AC_MSG_CHECKING(for underscore before symbols)
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AC_CACHE_VAL(s48_cv_uscore,[
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echo "main(){int i=1;}
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fnord(){int i=23; int ltuae=42;}" > conftest.c
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${CC} conftest.c > /dev/null
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if (nm a.out | grep _fnord) > /dev/null; then
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s48_cv_uscore=yes
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else
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s48_cv_uscore=no
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fi])
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AC_MSG_RESULT($s48_cv_uscore)
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if test $s48_cv_uscore = yes; then
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AC_DEFINE(USCORE)
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fi
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rm -f conftest.c a.out
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_DEFUN(S48_NLIST,[
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AC_MSG_CHECKING(for n_name)
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AC_CACHE_VAL(s48_cv_nlist,[
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AC_TRY_COMPILE([#include <nlist.h>],
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[struct nlist name_list;
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name_list.n_name = "foo";],
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s48_cv_nlist=yes,
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s48_cv_nlist=no)])
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AC_MSG_RESULT($s48_cv_nlist)
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if test $s48_cv_nlist = yes; then
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AC_DEFINE(NLIST_HAS_N_NAME)
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fi
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_DEFUN(S48__CNT,[
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AC_MSG_CHECKING(for _cnt)
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AC_CACHE_VAL(s48_cv__cnt,[
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AC_TRY_COMPILE([#include <stdio.h>],
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[return stdin->_cnt;],
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s48_cv__cnt=yes,
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s48_cv__cnt=no)])
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AC_MSG_RESULT($s48_cv__cnt)
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if test $s48_cv__cnt = yes; then
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AC_DEFINE(FILE_HAS__CNT)
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fi
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_DEFUN(SCSH_TZNAME,[
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AC_MSG_CHECKING(for tzname)
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AC_CACHE_VAL(scsh_cv_tzname,[
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AC_TRY_COMPILE([#include <time.h>],
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[return (int) tzname;],
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scsh_cv_tzname=yes,
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scsh_cv_tzname=no)])
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AC_MSG_RESULT($scsh_cv_tzname)
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if test $scsh_cv_tzname = yes; then
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AC_DEFINE(HAVE_TZNAME)
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fi
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_DEFUN(SCSH_GMTOFF,[
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AC_MSG_CHECKING(for gmtoff)
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AC_CACHE_VAL(scsh_cv_gmtoff,[
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AC_TRY_COMPILE([#include <time.h>],
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[struct tm time;
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return time.tm_gmtoff;],
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scsh_cv_gmtoff=yes,
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scsh_cv_gmtoff=no)])
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AC_MSG_RESULT($scsh_cv_gmtoff)
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if test $scsh_cv_gmtoff = yes; then
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AC_DEFINE(HAVE_GMTOFF)
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fi
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_DEFUN(SCSH_LINUX_ELF, [
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AC_MSG_CHECKING(for Linux using ELF)
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AC_CACHE_VAL(scsh_cv_linux_elf,[
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touch conftest.c
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if ${CC} -v conftest.c 2>&1 | grep -q __ELF__ ; then
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scsh_cv_linux_elf=yes
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else
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scsh_cv_linux_elf=no
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fi])
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AC_MSG_RESULT($scsh_cv_linux_elf)
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if test $scsh_cv_linux_elf = yes; then
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LDFLAGS=-rdynamic
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fi
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rm -f conftest.c a.out
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_DEFUN(SCSH_CONST_SYS_ERRLIST,[
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AC_MSG_CHECKING(for const sys_errlist)
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AC_CACHE_VAL(scsh_cv_const_sys_errlist,[
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AC_TRY_COMPILE([#include <errno.h>
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#include <unistd.h>],
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[const extern char *sys_errlist[];],
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scsh_cv_const_sys_errlist=yes,
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scsh_cv_const_sys_errlist=no)])
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AC_MSG_RESULT($scsh_cv_const_sys_errlist)
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if test $scsh_cv_const_sys_errlist = yes; then
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AC_DEFINE(HAVE_CONST_SYS_ERRLIST)
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fi
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])
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dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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AC_INIT(scheme48vm.c)
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AC_CONFIG_HEADER(sysdep.h)
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AC_CANONICAL_HOST
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AC_PROG_CC
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AC_ISC_POSIX
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AC_PROG_INSTALL
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AC_C_CONST
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case "$host" in
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## CX/UX
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m88k-harris-cxux* )
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dir=cxux
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CC="cc -Xa"
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CFLAGS="-O"
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LDFLAGS="-O -Wl,-Bexport"
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AC_DEFINE(HAVE_HARRIS)
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;;
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## DEC Ultrix
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mips-dec-ultrix* )
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dir=ultrix
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if test ${CC} = cc; then
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LDFLAGS=-N
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fi
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;;
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## HP 9000 series 700 and 800, running HP/UX
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hppa*-hp-hpux* )
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dir=hpux
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if test ${CC} = cc; then
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CFLAGS="-Ae -O +Obb1800"
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AC_DEFINE(_HPUX_SOURCE)
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AC_DEFINE(hpux)
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fi
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;;
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## IBM AIX
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rs6000-ibm-aix*|powerpc-ibm-aix* )
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dir=aix
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LDFLAGS="-O"
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if test ${CC} = gcc; then
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LDFLAGS_AIX="-Xlinker -bexport:exportlist.aix"
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else
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LDFLAGS_AIX="-bexport:exportlist.aix"
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fi
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CFLAGS="-O"
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AIX_P="exportlist.aix"
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;;
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## Linux
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*-*-linux* )
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dir=linux
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LIBS=-lm
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SCSH_LINUX_ELF
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;;
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## NetBSD (maybe FreeBSD and 386BSD also)
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*-*-*bsd* )
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dir=bsd
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;;
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## NeXT
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*-next-* )
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dir=next
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CC="$CC -posix"
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AC_DEFINE(HAVE_SIGACTION)
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;;
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## SGI IRIX
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mips-sgi-irix* )
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dir=irix
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S48_CFLAG_CKR
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INSTALL='$(srcdir)/install-sh'
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;;
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## SunOS
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sparc*-sun-sunos* )
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dir=sunos
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;;
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## Solaris
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sparc*-sun-solaris* )
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dir=solaris
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AC_DEFINE(HAVE_NLIST)
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;;
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## Generic Configuration
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* )
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dir=generic
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echo "WARNING: "
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echo "WARNING: Using generic configuration."
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echo "WARNING: See doc/install.txt for more information."
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echo "WARNING: "
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;;
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esac
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/bin/rm -f $srcdir/scsh/machine
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ln -s $srcdir/$dir $srcdir/scsh/machine
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AC_CHECK_LIB(m, sqrt(0.0) + t)
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AC_CHECK_LIB(gen, pathfind)
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AC_CHECK_LIB(nsl, gethostbyaddr)
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AC_CHECK_LIB(socket, socket)
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dnl Solaris 2.3 seems to need -lelf for nlist(). (tnx Bryan O'Sullivan)
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AC_CHECK_LIB(elf, nlist)
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AC_CHECK_LIB(ld, ldopen)
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AC_CHECK_LIB(dl, dlopen)
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dnl AC_CHECK_LIB(mld, main)
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AC_RETSIGTYPE
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AC_HAVE_HEADERS(libgen.h sys/timeb.h posix/time.h sys/select.h)
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AC_HAVE_FUNCS(dlopen gettimeofday ftime nlist select setitimer sigaction)
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AC_HAVE_FUNCS(socket chroot)
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S48_POSIX_LIBC
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S48_CFLAG_O2
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S48_USCORE
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S48_NLIST
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S48__CNT
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SCSH_TZNAME
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SCSH_GMTOFF
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SCSH_CONST_SYS_ERRLIST
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CFLAGS1=${CFLAGS}
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AC_SUBST(AIX_P)
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AC_SUBST(CFLAGS)
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AC_SUBST(CFLAGS1)
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AC_SUBST(LDFLAGS)
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AC_SUBST(LDFLAGS_AIX)
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AC_OUTPUT(Makefile scsh/regexp/Makefile)
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