AC_PREREQ(2.53)
AC_INIT(m4_esyscmd(. ./GUILE-VERSION && echo -n ${PACKAGE}),
- m4_esyscmd(. ./GUILE-VERSION && echo -n ${GUILE_VERSION}))
+ m4_esyscmd(. ./GUILE-VERSION && echo -n ${GUILE_VERSION}),
+ [bug-guile@gnu.org])
AC_CONFIG_AUX_DIR([.])
AC_CONFIG_SRCDIR(GUILE-VERSION)
AM_INIT_AUTOMAKE([no-define])
else
SCM_I_GSC_ENABLE_ELISP=0
fi
+AC_CHECK_LIB(uca, __uc_get_ar_bsp)
AC_C_CONST
else
SCM_I_GSC_C_INLINE=NULL
fi
+AC_CHECK_LIB(uca, __uc_get_ar_bsp)
AC_C_BIGENDIAN
AC_HEADER_SYS_WAIT
# Reasons for testing:
+# complex.h - new in C99
# fenv.h - available in C99, but not older systems
#
-AC_CHECK_HEADERS([fenv.h io.h libc.h limits.h malloc.h memory.h string.h \
+AC_CHECK_HEADERS([complex.h fenv.h io.h libc.h limits.h malloc.h memory.h string.h \
regex.h rxposix.h rx/rxposix.h sys/dir.h sys/ioctl.h sys/select.h \
sys/time.h sys/timeb.h sys/times.h sys/stdtypes.h sys/types.h \
sys/utime.h time.h unistd.h utime.h pwd.h grp.h sys/utsname.h \
direct.h])
+# "complex double" is new in C99, and "complex" is only a keyword if
+# <complex.h> is included
+AC_CHECK_TYPES(complex double,,,
+[#if HAVE_COMPLEX_H
+#include <complex.h>
+#endif])
+
# On MacOS X <sys/socklen.h> contains socklen_t, so must include that
# when testing.
AC_CHECK_TYPE(socklen_t, ,
# DINFINITY - OSF specific
# DQNAN - OSF specific
# (DINFINITY and DQNAN are actually global variables, not functions)
+# chsize - an MS-DOS-ism, found in mingw
+# clog10 - not in mingw (though others like clog and csqrt are)
# fesetround - available in C99, but not older systems
+# ftruncate - posix, but probably not older systems (current mingw
+# has it as an inline for chsize)
# ioctl - not in mingw.
# gmtime_r - recent posix, not on old systems
# readdir_r - recent posix, not on old systems
# stat64 - SuS largefile stuff, not on old systems
# sysconf - not on old systems
+# truncate - not in mingw
# isblank - available as a GNU extension or in C99
# _NSGetEnviron - Darwin specific
+# strcoll_l, newlocale - GNU extensions (glibc)
#
-AC_CHECK_FUNCS([DINFINITY DQNAN ctermid fesetround ftime fchown getcwd geteuid gettimeofday gmtime_r ioctl lstat mkdir mknod nice readdir_r readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction siginterrupt stat64 strftime strptime symlink sync sysconf tcgetpgrp tcsetpgrp times uname waitpid strdup system usleep atexit on_exit chown link fcntl ttyname getpwent getgrent kill getppid getpgrp fork setitimer getitimer strchr strcmp index bcopy memcpy rindex unsetenv isblank _NSGetEnviron])
+AC_CHECK_FUNCS([DINFINITY DQNAN chsize clog10 ctermid fesetround ftime ftruncate fchown getcwd geteuid gettimeofday gmtime_r ioctl lstat mkdir mknod nice readdir_r readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction siginterrupt stat64 strftime strptime symlink sync sysconf tcgetpgrp tcsetpgrp times uname waitpid strdup system usleep atexit on_exit chown link fcntl ttyname getpwent getgrent kill getppid getpgrp fork setitimer getitimer strchr strcmp index bcopy memcpy rindex truncate unsetenv isblank _NSGetEnviron strcoll strcoll_l newlocale])
# Reasons for testing:
# netdb.h - not in mingw
# sys/param.h - not in mingw
+# sethostname - the function itself check because it's not in mingw,
+# the DECL is checked because Solaris 10 doens't have in any header
#
AC_CHECK_HEADERS(crypt.h netdb.h sys/param.h sys/resource.h sys/file.h)
AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname)
+AC_CHECK_DECLS([sethostname])
# crypt() may or may not be available, for instance in some countries there
# are restrictions on cryptography.
[AC_DEFINE(HAVE_CRYPT,1,
[Define to 1 if you have the `crypt' function.])])
+# glibc 2.3.6 (circa 2006) and various prior versions had a bug where
+# csqrt(-i) returned a negative real part, when it should be positive
+# for the principal root.
+#
+if test "$ac_cv_type_complex_double" = yes; then
+ AC_CACHE_CHECK([whether csqrt is usable],
+ guile_cv_use_csqrt,
+ [AC_TRY_RUN([
+#include <complex.h>
+/* "volatile" is meant to prevent gcc from calculating the sqrt as a
+ constant, we want to test libc. */
+volatile complex double z = - _Complex_I;
+int
+main (void)
+{
+ z = csqrt (z);
+ if (creal (z) > 0.0)
+ return 0; /* good */
+ else
+ return 1; /* bad */
+}],
+ [guile_cv_use_csqrt=yes],
+ [guile_cv_use_csqrt="no, glibc 2.3 bug"],
+ [guile_cv_use_csqrt="yes, hopefully (cross-compiling)"])])
+ case $guile_cv_use_csqrt in
+ yes*)
+ AC_DEFINE(HAVE_USABLE_CSQRT, 1, [Define to 1 if csqrt is bug-free])
+ ;;
+ esac
+fi
+
+
dnl GMP tests
AC_CHECK_LIB([gmp], [__gmpz_init], ,
[AC_MSG_ERROR([GNU MP not found, see README])])
# Reasons for testing:
# asinh, acosh, atanh, trunc - C99 standard, generally not available on
# older systems
-# dirfd - mainly BSD derived, not in older systems
# sincos - GLIBC extension
#
-AC_CHECK_FUNCS(asinh acosh atanh copysign dirfd finite sincos trunc)
+AC_CHECK_FUNCS(asinh acosh atanh copysign finite sincos trunc)
# C99 specifies isinf and isnan as macros.
# HP-UX provides only macros, no functions.
# st_rdev
# st_blksize
# st_blocks not in mingw
+# tm_gmtoff BSD+GNU, not in C99
#
# Note AC_STRUCT_ST_BLOCKS is not used here because we don't want the
# AC_LIBOBJ(fileblocks) replacement which that macro gives.
AC_CHECK_MEMBERS([struct stat.st_rdev, struct stat.st_blksize, struct stat.st_blocks])
AC_STRUCT_TIMEZONE
+AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,
+[#include <time.h>
+#ifdef TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+])
GUILE_STRUCT_UTIMBUF
+
#--------------------------------------------------------------------
#
# Which way does the stack grow?
AC_ARG_WITH(threads, [ --with-threads thread interface],
, with_threads=yes)
+AC_SUBST(SCM_I_GSC_NEED_BRACES_ON_PTHREAD_ONCE_INIT, 0)
+
case "$with_threads" in
"yes" | "pthread" | "pthreads" | "pthread-threads" | "")
ACX_PTHREAD(CC="$PTHREAD_CC"
old_CFLAGS="$CFLAGS"
CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
- AC_CHECK_FUNCS(pthread_attr_getstack)
+
+ # Reasons for testing:
+ # pthread_getattr_np - "np" meaning "non portable" says it
+ # all; not present on MacOS X or Solaris 10
+ #
+ AC_CHECK_FUNCS(pthread_attr_getstack pthread_getattr_np)
+
+ # On past versions of Solaris, believe 8 through 10 at least, you
+ # had to write "pthread_once_t foo = { PTHREAD_ONCE_INIT };".
+ # This is contrary to posix:
+ # http://www.opengroup.org/onlinepubs/000095399/functions/pthread_once.html
+ # Check here if this style is required.
+ #
+ # glibc (2.3.6 at least) works both with or without braces, so the
+ # test checks whether it works without.
+ #
+ AC_CACHE_CHECK([whether PTHREAD_ONCE_INIT needs braces],
+ guile_cv_need_braces_on_pthread_once_init,
+ [AC_TRY_COMPILE([#include <pthread.h>],
+ [pthread_once_t foo = PTHREAD_ONCE_INIT;],
+ [guile_cv_need_braces_on_pthread_once_init=no],
+ [guile_cv_need_braces_on_pthread_once_init=yes])])
+ if test "$guile_cv_need_braces_on_pthread_once_init" = yes; then
+ SCM_I_GSC_NEED_BRACES_ON_PTHREAD_ONCE_INIT=1
+ fi
+
CFLAGS="$old_CFLAGS"
# On Solaris, sched_yield lives in -lrt.
AC_SUBST(LIBGUILE_SRFI_SRFI_60_INTERFACE_AGE)
AC_SUBST(LIBGUILE_SRFI_SRFI_60_INTERFACE)
+AC_SUBST(LIBGUILE_I18N_MAJOR)
+AC_SUBST(LIBGUILE_I18N_INTERFACE_CURRENT)
+AC_SUBST(LIBGUILE_I18N_INTERFACE_REVISION)
+AC_SUBST(LIBGUILE_I18N_INTERFACE_AGE)
+AC_SUBST(LIBGUILE_I18N_INTERFACE)
+
+
#######################################################################
dnl Tell guile-config what flags guile users should compile and link with.
HCoop / bpt / guile.git / blobdiff