dnl Process this file with autoconf to produce a configure script. dnl dnl We might want AC_WORDS_BIGENDIAN in the future. dnl We might want AC_CHAR_UNSIGNED in the future. dnl define(S48_POSIX_LIBC, [dnl echo checking for RISC/OS POSIX library lossage if test -f /usr/posix/usr/lib/libc.a; then LIBS="${LIBS} /usr/posix/usr/lib/libc.a" fi ])dnl dnl dnl Run AC_PROG_CC, but don't accept it's changes to CFLAGS. dnl For some insane reason, it sets CFLAGS to either `-O' or `-g -O' for gcc. dnl I don't want the silly -g (because if you are using nlist, you can't strip dnl the binary), I want -O2 for gcc and -O for other C compilers. define(S48_PROG_CC, [dnl oldCFLAGS="$CFLAGS" AC_PROG_CC if test "z$oldCFLAGS" = z; then if test "z$GCC" = z; then CFLAGS='-O' else CFLAGS='-O2' fi fi ])dnl dnl dnl Linux/ELF systems need the -rdynamic flag when linking so that dnl dlsym() can find symbols in the executable. dnl Note, on some Sun's, you can link with -rdynamic but the resulting dnl a.out always core dumps. define(S48_RDYNAMIC, [dnl AC_MSG_CHECKING([link with -rdynamic]) AC_TRY_COMPILE([], [#if defined(__linux__) && defined(__ELF__) this must not compile #endif], [AC_MSG_RESULT(no)], [AC_MSG_RESULT(yes) LDFLAGS="$LDFLAGS -rdynamic"]) ])dnl dnl define(S48_USCORE, [dnl AC_MSG_CHECKING([underscore before symbols]) echo 'main() { return 0; } fnord() {}' >conftest.c if ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -o a.out conftest.c ${LIBS} && nm a.out | grep _fnord >/dev/null; then AC_MSG_RESULT([yes]) AC_DEFINE(USCORE, 1, [Define to 1 if symbols start with _]) else AC_MSG_RESULT([no]) fi rm -f conftest.c a.out ])dnl dnl dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- AC_DEFUN(SCSH_TZNAME,[ AC_MSG_CHECKING(for tzname) AC_CACHE_VAL(scsh_cv_tzname,[ AC_TRY_COMPILE([#include ], [return (int) tzname;], scsh_cv_tzname=yes, scsh_cv_tzname=no)]) AC_MSG_RESULT($scsh_cv_tzname) if test $scsh_cv_tzname = yes; then AC_DEFINE(HAVE_TZNAME) fi ]) dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- AC_DEFUN(SCSH_ELF, [ AC_MSG_CHECKING(for ELF) AC_CACHE_VAL(scsh_cv_elf,[ touch conftest.c if ${CC} -v -o a.out conftest.c 2>&1 | grep -q __ELF__ ; then scsh_cv_elf=yes else scsh_cv_elf=no fi]) AC_MSG_RESULT($scsh_cv_elf) if test $scsh_cv_elf = yes; then LDFLAGS=-rdynamic fi rm -f conftest.c a.out ]) dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- AC_DEFUN(SCSH_SIG_NRS, [ AC_MSG_RESULT([defining signal constants]) mkdir -p scsh ${CC} -o scsh_aux $srcdir/scsh/scsh_aux.c AC_DEFINE_UNQUOTED(SIGNR_1, `./scsh_aux 1`, [scsh interrupt for signal 1]) AC_DEFINE_UNQUOTED(SIGNR_2, `./scsh_aux 2`, [scsh interrupt for signal 2]) AC_DEFINE_UNQUOTED(SIGNR_3, `./scsh_aux 3`, [scsh interrupt for signal 3]) AC_DEFINE_UNQUOTED(SIGNR_4, `./scsh_aux 4`, [scsh interrupt for signal 4]) AC_DEFINE_UNQUOTED(SIGNR_5, `./scsh_aux 5`, [scsh interrupt for signal 5]) AC_DEFINE_UNQUOTED(SIGNR_6, `./scsh_aux 6`, [scsh interrupt for signal 6]) AC_DEFINE_UNQUOTED(SIGNR_7, `./scsh_aux 7`, [scsh interrupt for signal 7]) AC_DEFINE_UNQUOTED(SIGNR_8, `./scsh_aux 8`, [scsh interrupt for signal 8]) AC_DEFINE_UNQUOTED(SIGNR_9, `./scsh_aux 9`, [scsh interrupt for signal 9]) AC_DEFINE_UNQUOTED(SIGNR_10, `./scsh_aux 10`, [scsh interrupt for signal 10]) AC_DEFINE_UNQUOTED(SIGNR_11, `./scsh_aux 11`, [scsh interrupt for signal 11]) AC_DEFINE_UNQUOTED(SIGNR_12, `./scsh_aux 12`, [scsh interrupt for signal 12]) AC_DEFINE_UNQUOTED(SIGNR_13, `./scsh_aux 13`, [scsh interrupt for signal 13]) AC_DEFINE_UNQUOTED(SIGNR_14, `./scsh_aux 14`, [scsh interrupt for signal 14]) AC_DEFINE_UNQUOTED(SIGNR_15, `./scsh_aux 15`, [scsh interrupt for signal 15]) AC_DEFINE_UNQUOTED(SIGNR_16, `./scsh_aux 16`, [scsh interrupt for signal 16]) AC_DEFINE_UNQUOTED(SIGNR_17, `./scsh_aux 17`, [scsh interrupt for signal 17]) AC_DEFINE_UNQUOTED(SIGNR_18, `./scsh_aux 18`, [scsh interrupt for signal 18]) AC_DEFINE_UNQUOTED(SIGNR_19, `./scsh_aux 19`, [scsh interrupt for signal 19]) AC_DEFINE_UNQUOTED(SIGNR_20, `./scsh_aux 20`, [scsh interrupt for signal 20]) AC_DEFINE_UNQUOTED(SIGNR_21, `./scsh_aux 21`, [scsh interrupt for signal 21]) AC_DEFINE_UNQUOTED(SIGNR_22, `./scsh_aux 22`, [scsh interrupt for signal 22]) AC_DEFINE_UNQUOTED(SIGNR_23, `./scsh_aux 23`, [scsh interrupt for signal 23]) AC_DEFINE_UNQUOTED(SIGNR_24, `./scsh_aux 24`, [scsh interrupt for signal 24]) AC_DEFINE_UNQUOTED(SIGNR_25, `./scsh_aux 25`, [scsh interrupt for signal 25]) AC_DEFINE_UNQUOTED(SIGNR_26, `./scsh_aux 26`, [scsh interrupt for signal 26]) AC_DEFINE_UNQUOTED(SIGNR_27, `./scsh_aux 27`, [scsh interrupt for signal 27]) AC_DEFINE_UNQUOTED(SIGNR_28, `./scsh_aux 28`, [scsh interrupt for signal 28]) AC_DEFINE_UNQUOTED(SIGNR_29, `./scsh_aux 29`, [scsh interrupt for signal 29]) AC_DEFINE_UNQUOTED(SIGNR_30, `./scsh_aux 30`, [scsh interrupt for signal 30]) AC_DEFINE_UNQUOTED(SIGNR_31, `./scsh_aux 31`, [scsh interrupt for signal 31]) rm -f scsh_aux scsh_aux.exe ]) dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- AC_DEFUN(SCSH_LINUX_STATIC_DEBUG, [ case "$host" in *-*-linux* ) AC_MSG_CHECKING(for broken Linux that needs -static with -g) AC_CACHE_VAL(scsh_cv_linux_static_debug,[ AC_TRY_LINK([], [], scsh_cv_linux_static_debug=no, scsh_cv_linux_static_debug=yes)]) AC_MSG_RESULT($scsh_cv_linux_static_debug) if test $scsh_cv_linux_static_debug = yes; then LDFLAGS="-static ${LDFLAGS}" fi ;; esac ]) dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- AC_DEFUN(SCSH_CONST_SYS_ERRLIST,[ AC_MSG_CHECKING(for const sys_errlist) AC_CACHE_VAL(scsh_cv_const_sys_errlist,[ AC_TRY_COMPILE([#include #include ], [const extern char *sys_errlist[];], scsh_cv_const_sys_errlist=yes, scsh_cv_const_sys_errlist=no)]) AC_MSG_RESULT($scsh_cv_const_sys_errlist) if test $scsh_cv_const_sys_errlist = yes; then AC_DEFINE(HAVE_CONST_SYS_ERRLIST, 1, [const char* sys_errlist]) fi ]) dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- AC_DEFUN(SCSH_SOCKLEN_T,[ AC_MSG_CHECKING(for socklen_t) AC_TRY_COMPILE([#include socklen_t x; ],[],[AC_MSG_RESULT(yes)],[ AC_TRY_COMPILE([#include int accept (int, struct sockaddr *, size_t *); ],[],[ AC_MSG_RESULT(size_t) AC_DEFINE(socklen_t, size_t, [Define to type of socklen_t])], [ AC_MSG_RESULT(int) AC_DEFINE(socklen_t,int)])]) ]) dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- AC_INIT(c/scheme48vm.c) AC_CONFIG_HEADER(c/sysdep.h) AC_CANONICAL_HOST S48_PROG_CC SCSH_SIG_NRS AC_ISC_POSIX SCSH_LINUX_STATIC_DEBUG dnl set the cross-compile flag before we try anything. AC_TRY_RUN([int main() { return 0;}], [], [], [true]) AC_PROG_INSTALL AC_PROG_RANLIB AC_C_CONST AC_C_BIGENDIAN if test $ac_cv_c_bigendian = no ; then ENDIAN=little else ENDIAN=big fi AR=${AR-"ar cq"} TMPDIR=${TMPDIR-"/var/tmp"} case "$host" in ## CX/UX m88k-harris-cxux* ) machine=cxux CC="cc -Xa" CFLAGS="-O" LDFLAGS="-O -Wl,-Bexport" AC_DEFINE(HAVE_HARRIS, 1, [Define to 1 on m88k-harris-cxux]) ;; ## DEC Ultrix mips-dec-ultrix* ) machine=ultrix if test ${CC} = cc; then LDFLAGS=-N fi ;; ## HP 9000 series 700 and 800, running HP/UX hppa*-hp-hpux* ) machine=hpux LDFLAGS="-Wl,-E" if test ${CC} = cc; then CFLAGS="-Ae -O +Obb1800" fi AC_DEFINE(_HPUX_SOURCE, 1, [Define to 1 to compile on HP/UX]) AC_DEFINE(hpux, 1, [Define to 1 on HP/UX]) AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, [Define to 1 to compile on HP/UX]) ;; ## IBM AIX rs6000-ibm-aix*|powerpc-ibm-aix* ) machine=aix LDFLAGS="-O" if test ${CC} = gcc; then LDFLAGS_AIX="-Xlinker -bexport:exportlist.aix" else LDFLAGS_AIX="-bexport:exportlist.aix" fi CFLAGS="-O" AIX_P="exportlist.aix" ;; ## Linux *-*-linux* ) machine=linux # gross, but needed for some older a.out systems for 0.4.x LIBS=-lc SCSH_ELF ;; ## NetBSD and FreeBSD ( and maybe 386BSD also) *-*-*bsd*|*-*-darwin* ) machine=bsd SCSH_ELF ;; ## NeXT *-next-* ) machine=next CC="$CC -posix" AC_DEFINE(HAVE_SIGACTION) ;; ## SGI IRIX mips-sgi-irix* ) machine=irix S48_CFLAG_CKR INSTALL='$(srcdir)/install-sh' ;; ## SunOS sparc*-sun-sunos* ) machine=sunos ;; ## Solaris - Sparc and i386 *-*-solaris* ) machine=solaris AC_DEFINE(HAVE_NLIST) ;; ## NT - cygwin32 *-*-cygwin* ) AC_DEFINE(CYGWIN, 1, [Define to 1 on cygwin]) machine=cygwin32 EXEEXT=".exe" ;; ## Generic Configuration * ) machine=generic echo "WARNING: " echo "WARNING: Using generic configuration." echo "WARNING: See doc/porting.txt for more information." echo "WARNING: " ;; esac (mkdir -p ./scsh/$machine scsh/rx c/unix c/srfi) AC_CHECK_LIB(m, main) AC_CHECK_LIB(dl, main) AC_CHECK_LIB(mld, main) AC_CHECK_LIB(nsl, main) AC_CHECK_LIB(gen, main) AC_CHECK_LIB(socket, main) AC_CHECK_LIB(sun, getpwnam) AC_CHECK_LIB(c, crypt, [true], AC_CHECK_LIB(crypt, crypt)) dnl Solaris 2.3 seems to need -lelf for nlist(). (tnx Bryan O'Sullivan) AC_CHECK_LIB(elf, main) S48_POSIX_LIBC AC_CONST AC_RETSIGTYPE AC_CHECK_HEADERS(libgen.h sys/timeb.h posix/time.h sys/select.h nlist.h) AC_CHECK_HEADERS(sys/un.h) AC_CHECK_HEADERS(crypt.h) AC_CHECK_FUNCS(gettimeofday ftime nlist select setitimer sigaction vasprintf) SCSH_SOCKLEN_T AC_CHECK_FUNC(dlopen, [AC_DEFINE(HAVE_DLOPEN, 1, [Define to 1 if the interface to the dynamic linker exists])], [AC_CHECK_FUNC(nlist, [AC_LIBOBJ([c/fake/libdl1])], [AC_LIBOBJ([c/fake/libdl2])])]) AC_CHECK_FUNCS(socket chroot) AC_CHECK_FUNC(strerror, AC_DEFINE(HAVE_STRERROR, 1, [Define to 1 if you have the strerror function]), [AC_LIBOBJ([c/fake/strerror])]) AC_CHECK_FUNC(seteuid, [AC_DEFINE(HAVE_SETEUID, 1, [Define to 1 if you have the seteuid function])], [AC_CHECK_FUNC(setreuid, [AC_DEFINE(HAVE_SETREUID, 1, [Define to 1 if you have the setreuid function])], [AC_MSG_ERROR("Neither setegid nor setregid defined. Cannot continue.")])]) AC_CHECK_FUNC(setegid, [AC_DEFINE(HAVE_SETEGID, 1, [Define to 1 if you have the setegid function])], [AC_CHECK_FUNC(setregid, [AC_DEFINE(HAVE_SETREGID, 1, [Define to 1 if you have the setregid function])], [AC_MSG_ERROR("Neither setegid nor setregid defined. Cannot continue.")])]) AC_CHECK_MEMBER(struct nlist.n_name, [AC_DEFINE(NLIST_HAS_N_NAME, 1, [Define to 1 if struct nlist.n_name exists])],, [#include ]) AC_MSG_CHECKING([__NEXT__]) AC_TRY_LINK(,[ #ifdef __NeXT__ return 0; #else fail #endif ], CC="$CC -posix" AC_DEFINE(HAVE_SIGACTION) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) S48_USCORE S48_RDYNAMIC AC_STRUCT_TIMEZONE AC_CHECK_MEMBER(struct tm.tm_gmtoff, AC_DEFINE(HAVE_GMTOFF, 1, [Define to 1 if struct tm has member tm_gmtoff])) SCSH_CONST_SYS_ERRLIST CFLAGS1=${CFLAGS} AC_SUBST(CFLAGS) AC_SUBST(LDFLAGS) AC_SUBST(AIX_P) AC_SUBST(AR) AC_SUBST(CC) AC_SUBST(CFLAGS) AC_SUBST(CFLAGS1) AC_SUBST(EXEEXT) AC_SUBST(ENDIAN) #does currently not occur AC_SUBST(LDFLAGS) AC_SUBST(LDFLAGS_AIX) AC_SUBST(LIBS) AC_SUBST(TMPDIR) AC_SUBST(machine) AC_CONFIG_FILES(Makefile scsh-config) AC_CONFIG_COMMANDS([scsh-config+x],[chmod +x scsh-config]) AC_OUTPUT