##
AC_PREREQ(2.59)
-AC_INIT([simgrid],[2.95-cvs],[simgrid-devel@lists.gforge.inria.fr])
+AC_INIT([simgrid],[3.0.1-cvs],[simgrid-devel@lists.gforge.inria.fr])
AC_CONFIG_SRCDIR([include/gras.h])
AC_CONFIG_HEADERS([src/gras_config.h])
# A CI_PREREQ(2003.01.16) # We need a recent ACI when having sub-modules
AM_SANITY_CHECK
AC_PROG_MAKE_SET
AC_CHECK_PRINTF_NULL
+AC_CHECK_VA_COPY
# Checks for header files.
AC_HEADER_STDC
sys/stat.h \
windows.h winsock.h winsock2.h \
sys/time.h \
- errno.h unistd.h ])
+ errno.h unistd.h \
+ execinfo.h])
AC_CHECK_FUNCS([gettimeofday usleep \
getdtablesize \
- sysconf])
+ sysconf\
+ readv])
+
+# check for a working snprintf (or use xbt/snprintf.c, which comes from http://www.ijs.si/software/snprintf/)
+AC_FUNC_SNPRINTF
+# check for asprintf function familly (or request the replacements from xbt/snprintf.c)
+AC_CHECK_FUNC( asprintf, :, AC_DEFINE(NEED_ASPRINTF, 1, enable the asprintf replacement))
+AC_CHECK_FUNC( vasprintf, :, AC_DEFINE(NEED_VASPRINTF, 1, enable the vasprintf replacement))
+# we don't use those:
+# A C_CHECK_FUNC( asnprintf, :, A C_DEFINE(NEED_ASNPRINTF, 1, enable the asnprintf replacement))
+# A C_CHECK_FUNC(vasnprintf, :, A C_DEFINE(NEED_VASNPRINTF, 1, enable the vansprintf replacement))
+
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
GRAS_CHECK_STRUCT_COMPACTION
+dnl ##
+dnl ## CONTEXT IMPLEMENTATION
+dnl ##
+
SG_CONFIGURE_PART([Checking for threads, contexts or assimilated...])
-AC_CHECK_UCONTEXT
+
+dnl #
+dnl # 1. determine possibilities
+dnl #
+
+dnl # check for MCSC method
AC_MSG_CHECKING(on top of what can we build the contexts)
+AC_CHECK_HEADER(ucontext.h,,, [#include <sys/types.h>])
+AC_CHECK_FUNCS(makecontext swapcontext getcontext setcontext)
+AC_CHECK_MCSC(mcsc=yes, mcsc=no)
+
+dnl # check for pthread method
+AC_CHECK_HEADERS([pthread.h])
+AC_CHECK_LIB(pthread,pthread_create,pthread=yes, pthread=no)
+
+dnl #
+dnl # 2. make a general decision
+dnl #
+
+if test ".$mcsc" = .yes; then
+ mcsc=yes
+elif test ".$pthread" = .yes; then
+ pthread=yes
+else
+ ac_header=windows.h
+ as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ windows_context=yes
+ else
+ AC_ERROR([no appropriate backend found])
+ fi
+fi
+
+dnl #
+dnl # 3. allow decision to be overridden by user
+dnl #
+
+AC_MSG_CHECKING(what kind of backend should we use)
AC_ARG_WITH(context,
[ --with-context=[ucontext/pthread] Use either (System V) swapcontext or pthread [[default=auto]].],,
with_context=auto)
-
case $with_context in
ucontext) ;;
pthread) ;;
+ windows) ;;
auto) with_context=ucontext;;
*) AC_MSG_ERROR("--with-context must be either ucontext or pthread") ;;
esac
if test "x$with_context" = "xucontext" ; then
- if test "x$ac_check_ucontext" = "xyes"; then
- AC_MSG_RESULT(found ucontext.h. Great!)
+ if test ".$mcsc" = .yes; then
+ AC_MSG_RESULT(found working ucontext. Great!)
AC_DEFINE([USE_UCONTEXT],1,[Define if we use ucontext or not])
else
- ac_header=windows.h
- as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
- if test `eval echo '${'$as_ac_Header'}'` = yes; then
- AC_MSG_RESULT(there is no ucontext on windows, and none is needed.")
+ if test ".$windows_context" = .yes ; then
+ AC_MSG_RESULT(use windows context portability layer.)
+ with_context=windows
else
- AC_MSG_RESULT([[no working ucontext found. Falling back to pthreads]])
+ AC_MSG_RESULT([[no working ucontext found. Try pthreads as a fallback]])
with_context=pthread
fi
fi
if test "x$with_context" = "xpthread"; then
AC_CHECK_HEADERS([pthread.h])
-dnl A C_CHECK_LIB(pthread, pthread_mutex_lock, LIBS="$LIBS -lpthread")
AC_CHECK_LIB(pthread,pthread_create,,
[AC_MSG_ERROR([[Cannot find pthreads, no way (try --with-context=ucontext if you haven't already tried).]])])
AC_DEFINE([USE_PTHREADS],1,[Define if we use pthreads or not])
AC_MSG_RESULT(You have pthreads. Let's use them.)
fi
+dnl #
+dnl # 4. determine a few additional details
+dnl #
+
+if test "x$with_context" = "xucontext" ; then
+dnl # direction of stack grow
+ AC_CHECK_STACKGROWTH(PTH_STACKGROWTH)
+ if test ".$ac_cv_check_stackgrowth" = ".down"; then
+ PTH_STACK_GROWTH="down"
+ else
+ PTH_STACK_GROWTH="up"
+ fi
+ AC_SUBST(PTH_STACK_GROWTH)
+
+ AC_CHECK_STACKSETUP(makecontext, pth_skaddr_makecontext, pth_sksize_makecontext)
+fi
+
#########################################
## Check for libraries extra-dependencies
##
# examples/pastry/Makefile examples/pastry/test_sg
# examples/gras/chord/Makefile examples/gras/chord/test_sg examples/gras/chord/test_rl
+# src/amok/Makefile
SG_CONFIGURE_PART(Generating files...)
AC_CONFIG_FILES([
Makefile
include/Makefile
src/Makefile
- src/amok/Makefile
+ src/ucontext_stack.h
examples/Makefile
examples/msg/Makefile examples/msg/run_msg_test
examples/gras/Makefile
examples/gras/timer/Makefile examples/gras/timer/test_sg examples/gras/timer/test_rl
examples/gras/chrono/Makefile examples/gras/chrono/test_sg examples/gras/chrono/test_rl
examples/gras/tokenS/Makefile examples/gras/tokenS/test_sg examples/gras/tokenS/test_rl
+ examples/gras/mmrpc/Makefile examples/gras/mmrpc/test_sg examples/gras/mmrpc/test_rl
examples/amok/Makefile
examples/amok/bandwidth/Makefile examples/amok/bandwidth/test_sg examples/amok/bandwidth/test_rl
doc/Makefile
examples/gras/timer/test_sg examples/gras/timer/test_rl \
examples/gras/chrono/test_sg examples/gras/chrono/test_rl \
examples/gras/tokenS/test_sg examples/gras/tokenS/test_rl \
+ examples/gras/mmrpc/test_sg examples/gras/mmrpc/test_rl \
examples/msg/run_msg_test \
; do \
test -e $file && chmod +x $file; \
Configuration of package \`${PACKAGE}' (version ${VERSION}) on $gras_arch_name (=$gras_arch):
- Compiler: ${CC}
+ Compiler: ${CC} (version: ${GCC_VERSION})
+
+ CFlags: ${CFLAGS}
+ LDFlags: ${LDFLAGS}
- CFlags: ${CFLAGS}
- LDFlags: ${LDFLAGS}
+ Context backend: ${with_context}
"
exit 0;