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configure test for powl(), which is used for extflonums

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This commit is contained in:
Matthew Flatt 2014-01-24 07:11:24 -07:00
parent 81ef1c876b
commit 6c25579b6b
2 changed files with 3141 additions and 5872 deletions
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8911
racket/src/configure vendored
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102
racket/src/racket/configure.ac
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@ -39,7 +39,7 @@ AC_ARG_ENABLE(places, [ --enable-places support places (3m only; usual
AC_ARG_ENABLE(futures, [ --enable-futures support futures (usually enabled by default)])
AC_ARG_ENABLE(float, [ --enable-float support single-precision floats (enabled by default)], , enable_float=yes)
AC_ARG_ENABLE(floatinstead, [ --enable-floatinstead use single-precision by default (NOT RECOMMENDED)])
AC_ARG_ENABLE(extflonum, [ --enable-extflonum support extflonums (enabled by default, if available)], , enable_extflonum=yes)
AC_ARG_ENABLE(extflonum, [ --enable-extflonum support extflonums (enabled by default, if available)], , enable_extflonum=default)
AC_ARG_ENABLE(racket, [ --enable-racket=<path> use <path> as Racket executable to build Racket])
@ -302,6 +302,7 @@ show_explicitly_enabled "${enable_backtrace}" "3m GC backtraces" "Note that this
show_explicitly_disabled "${enable_float}" "Single-precision floats"
show_explicitly_enabled "${enable_floatinstead}" "Single-precision default floats" "Note that this mode is NOT RECOMMENDED"
show_explicitly_enabled "${enable_extflonum}" "Extflonums"
show_explicitly_disabled "${enable_extflonum}" "Extflonums"
show_explicitly_enabled "${enable_pthread}" "pthreads"
@ -850,11 +851,11 @@ AC_LANG_C
[ msg="for inline keyword" ]
AC_MSG_CHECKING($msg)
AC_COMPILE_IFELSE(
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
static inline int foo() { return 0; }
int main() {
return foo();
},
}])],
inline=yes, inline=no)
if test "$inline" = "no" ; then
MZOPTIONS="$MZOPTIONS -DNO_INLINE_KEYWORD"
@ -863,12 +864,12 @@ AC_MSG_RESULT($inline)
[ msg="for noinline attribute" ]
AC_MSG_CHECKING($msg)
AC_COMPILE_IFELSE(
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
static int foo() __attribute__ ((noinline));
static int foo() { return 0; }
int main() {
return foo();
}, noinline=yes, noinline=no)
}])], noinline=yes, noinline=no)
if test "$noinline" = "yes" ; then
AC_DEFINE(MZ_USE_NOINLINE,1,[Have noinline attribute])
fi
@ -876,14 +877,14 @@ AC_MSG_RESULT($noinline)
[ msg="for GNU preprocessor" ]
AC_MSG_CHECKING($msg)
AC_COMPILE_IFELSE(
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
int main () {
#ifdef __GNUC__
return 0;
#else
if; // should fail
#endif
}, using_gnu_cpp=yes, using_gnu_cpp=no)
}])], using_gnu_cpp=yes, using_gnu_cpp=no)
if test "$using_gnu_cpp" = "yes" ; then
XFORMFLAGS="$XFORMFLAGS --keep-lines"
case "$build_os" in
@ -956,16 +957,16 @@ fi
[ msg="for mbsrtowcs" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE(
[ #include <wchar.h> ]
[ #include <strings.h>]
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <wchar.h>
#include <strings.h>
int main() {
mbstate_t state;
[ char *src = "X";]
[ bzero(&state, sizeof(mbstate_t));]
[ mbsrtowcs(0, &src, 0, &state);]
char *src = "X";
bzero(&state, sizeof(mbstate_t));
mbsrtowcs(0, &src, 0, &state);
return 0;
}, mbsrtowcs=yes, mbsrtowcs=no)
}])], mbsrtowcs=yes, mbsrtowcs=no)
if test "$mbsrtowcs" = "no" ; then
MZOPTIONS="$MZOPTIONS -DNO_MBTOWC_FUNCTIONS"
fi
@ -974,8 +975,8 @@ AC_MSG_RESULT($mbsrtowcs)
if test "${try_poll_syscall}" = "yes" ; then
[ msg="for poll" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE(
[ #include <poll.h> ]
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <poll.h>
int main() {
struct pollfd pfd;
int r;
@ -983,7 +984,7 @@ if test "${try_poll_syscall}" = "yes" ; then
pfd.events = POLLIN;
r = poll(&pfd, 1, 0);
return 0;
}, use_poll=yes, use_poll=no)
}])], use_poll=yes, use_poll=no)
AC_MSG_RESULT($use_poll)
if test "${use_poll}" = "yes" ; then
AC_DEFINE(HAVE_POLL_SYSCALL,1,[Have poll])
@ -993,8 +994,8 @@ fi
if test "${try_epoll_syscall}" = "yes" ; then
[ msg="for epoll" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE(
[ #include <sys/epoll.h> ]
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <sys/epoll.h>
int main() {
int fd;
struct epoll_event ev;
@ -1002,7 +1003,7 @@ if test "${try_epoll_syscall}" = "yes" ; then
ev.events = EPOLLIN | EPOLLONESHOT;
epoll_ctl(fd, EPOLL_CTL_ADD, 0, &ev);
return 0;
}, use_epoll=yes, use_epoll=no)
}])], use_epoll=yes, use_epoll=no)
AC_MSG_RESULT($use_epoll)
if test "${use_epoll}" = "yes" ; then
AC_DEFINE(HAVE_EPOLL_SYSCALL,1,[Have epoll])
@ -1012,8 +1013,8 @@ fi
if test "${try_inotify_syscall}" = "yes" ; then
[ msg="for inotify" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE(
[ #include <sys/inotify.h> ]
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <sys/inotify.h>
int main() {
int fd;
int wd;
@ -1022,7 +1023,7 @@ if test "${try_inotify_syscall}" = "yes" ; then
(IN_CREATE | IN_DELETE | IN_DELETE_SELF
| IN_MODIFY | IN_MOVE_SELF | IN_MOVED_TO));
return 0;
}, use_inotify=yes, use_inotify=no)
}])], use_inotify=yes, use_inotify=no)
AC_MSG_RESULT($use_inotify)
if test "${use_inotify}" = "yes" ; then
AC_DEFINE(HAVE_INOTIFY_SYSCALL,1,[Have inotify])
@ -1032,19 +1033,19 @@ fi
if test "${try_kqueue_syscall}" = "yes" ; then
[ msg="for kqueue" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE(
[ #include <sys/types.h> ]
[ #include <sys/event.h> ]
[ #include <sys/time.h> ]
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>
int main() {
int kq;
struct kevent kev;
[ struct timespec timeout = {0, 0}; ]
struct timespec timeout = {0, 0};
kq = kqueue();
EV_SET(&kev, 0, EVFILT_READ, EV_ADD, 0, 0, NULL);
kevent(kq, &kev, 1, NULL, 0, &timeout);
return 0;
}, use_kqueue=yes, use_kqueue=no)
}])], use_kqueue=yes, use_kqueue=no)
AC_MSG_RESULT($use_kqueue)
if test "${use_kqueue}" = "yes" ; then
AC_DEFINE(HAVE_KQUEUE_SYSCALL,1,[Have kqueue])
@ -1054,15 +1055,15 @@ fi
if test "${check_for_mprotect}" = "yes" ; then
[ msg="for mmap and mprotect" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE(
[ #include <sys/mman.h> ]
[ #include <fcntl.h> ]
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <sys/mman.h>
#include <fcntl.h>
int main() {
void *p;
p = mmap(0, 2 << 16, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, open("/dev/zero", O_RDWR), 0);
mprotect(p, 2 << 16, PROT_READ | PROT_WRITE | PROT_EXEC);
return 0;
}, use_mprotect=yes, use_mprotect=no)
}])], use_mprotect=yes, use_mprotect=no)
AC_MSG_RESULT($use_mprotect)
if test "${use_mprotect}" = "yes" ; then
AC_DEFINE(HAVE_MMAP_MPROTECT,1,[Have mmap and mprotect])
@ -1190,7 +1191,7 @@ fi
if test "${enable_mzrt}" = "yes" ; then
[ msg="for compare-and-swap" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE(
AC_LINK_IFELSE([AC_LANG_SOURCE([
int check1(long *addr, long old, long new_val) {
return __sync_bool_compare_and_swap(addr, old, new_val);
}
@ -1200,7 +1201,7 @@ if test "${enable_mzrt}" = "yes" ; then
int main() {
long l = 2; short s = 3;
return !check1(&l, 2, 4) || !check2(&s, 3, 6);
}, cas_available=yes, cas_available=no)
}])], cas_available=yes, cas_available=no)
AC_MSG_RESULT($cas_available)
if test "${cas_available}" = "yes" ; then
AC_DEFINE(MZ_CAS_AVAILABLE,1,[Compare-and-swap available])
@ -1228,18 +1229,39 @@ if test "${enable_pthread}" = "yes" ; then
[ msg="whether pthread_rwlock is available" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE(
[ #include <pthread.h>]
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <pthread.h>
pthread_rwlock_t l;
int main() {
return pthread_rwlock_init(&l, NULL);
}, rwlockavail=yes, rwlockavail=no)
}])], rwlockavail=yes, rwlockavail=no)
AC_MSG_RESULT($rwlockavail)
if test "$rwlockavail" = "yes" ; then
AC_DEFINE(HAVE_PTHREAD_RWLOCK,1,[Have pthread_rwlock])
fi
fi
############## extflonum ################
if test "${enable_extflonum}" = "default" ; then
[ msg="for powl for extflonums" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <math.h>
#include <stdlib.h>
int main(int argc, char **argv) {
char *p;
long double x = 2.0, y = strtod(*(argv+1), &p);
if (powl(x, y) == 8.0)
return 0;
return 1;
}])], use_extflonums=yes, use_extflonums=no)
AC_MSG_RESULT($use_extflonums)
if test "${use_extflonums}" = "no" ; then
AC_DEFINE(MZ_NO_EXTFLONUMS,1,[Extflonums disabled])
fi
fi
############## libffi ################
# Depends on pthread on some platforms
@ -1328,10 +1350,10 @@ if test "$check_gcc_dash_e" = "yes" ; then
# Can use -Wl,-E for linking because we're using GNU linker?
[ msg="whether linker accepts -Wl,-E" ]
AC_MSG_CHECKING($msg)
AC_LINK_IFELSE(
AC_LINK_IFELSE([AC_LANG_SOURCE([
int main() {
return 0;
}, linker_dash_e=yes, linker_dash_e=no)
}])], linker_dash_e=yes, linker_dash_e=no)
if test "$linker_dash_e" = "no" ; then
LDFLAGS="${orig_ldflags}"
fi