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|
#
# Contains macros to handle library dependencies.
#
# DRUNTIME_LIBRARIES_DLOPEN
# -----------------------
# Autodetect and add dl library to LIBS if necessary.
AC_DEFUN([DRUNTIME_LIBRARIES_DLOPEN],
[
# Libtool has already checked this, so re-use the inferred dlopen lib.
AS_IF([test "x$enable_dlopen" = "xyes" && test -n "$lt_cv_dlopen_libs"], [
LIBS="$LIBS $lt_cv_dlopen_libs"
], [
])
])
# DRUNTIME_LIBRARIES_NET
# -----------------------
# Autodetect and add networking library to LIBS if necessary.
AC_DEFUN([DRUNTIME_LIBRARIES_NET],
[
dnl Test for -lsocket and -lnsl. Copied from libjava/configure.ac.
AC_CACHE_CHECK([for socket libraries], druntime_cv_lib_sockets,
[druntime_cv_lib_sockets=
druntime_check_both=no
AC_CHECK_FUNC(connect, druntime_check_socket=no, druntime_check_socket=yes)
if test "$druntime_check_socket" = "yes"; then
unset ac_cv_func_connect
AC_CHECK_LIB(socket, main, druntime_cv_lib_sockets="-lsocket",
druntime_check_both=yes)
fi
if test "$druntime_check_both" = "yes"; then
druntime_old_libs=$LIBS
LIBS="$LIBS -lsocket -lnsl"
unset ac_cv_func_accept
AC_CHECK_FUNC(accept,
[druntime_check_nsl=no
druntime_cv_lib_sockets="-lsocket -lnsl"])
unset ac_cv_func_accept
LIBS=$druntime_old_libs
fi
unset ac_cv_func_gethostbyname
druntime_old_libs="$LIBS"
AC_CHECK_FUNC(gethostbyname, ,
[AC_CHECK_LIB(nsl, main,
[druntime_cv_lib_sockets="$druntime_cv_lib_sockets -lnsl"])])
])
LIBS="$LIBS $druntime_cv_lib_sockets"
])
# DRUNTIME_LIBRARIES_ZLIB
# -----------------------
# Allow specifying whether to use the system zlib or
# compiling the zlib included in GCC. Adds substitute
# for LIBZ or adds zlib to LIBS if necessary.
AC_DEFUN([DRUNTIME_LIBRARIES_ZLIB],
[
AC_LANG_PUSH([C])
LIBZ=""
AC_ARG_WITH(target-system-zlib,
AS_HELP_STRING([--with-target-system-zlib={yes,no,auto}],
[use installed libz (default: no)]),,
[with_target_system_zlib=no])
case "$with_target_system_zlib" in
yes|no|auto) ;;
*) AC_MSG_ERROR([Invalid argument for --with-target-system-zlib]) ;;
esac
AC_MSG_CHECKING([for system zlib])
save_LIBS=$LIBS
LIBS="$LIBS -lz"
dnl the link test is not good enough for ARM32 multilib detection,
dnl first check to link, then to run
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <zlib.h>],[gzopen("none", "rb")])],
[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <zlib.h>
int main() {
gzFile file = gzopen("none", "rb");
return 0;
}
]])],
[system_zlib_found=yes],
[system_zlib_found=no],
dnl no system zlib for cross builds ...
[system_zlib_found=no]
)
],
[system_zlib_found=no])
LIBS=$save_LIBS
if test x$system_zlib_found = xyes && test x$with_target_system_zlib != xno; then
AC_MSG_RESULT([found])
LIBS="$LIBS -lz"
elif test x$system_zlib_found = xno && test x$with_target_system_zlib = xyes; then
AC_MSG_ERROR([system zlib required but not found])
else
AC_MSG_RESULT([just compiled])
LIBZ=../../zlib/libz_convenience.la
fi
AC_SUBST(LIBZ)
AC_LANG_POP([C])
])
# DRUNTIME_LIBRARIES_ATOMIC
# -------------------------
# Allow specifying whether to use libatomic for atomic support.
AC_DEFUN([DRUNTIME_LIBRARIES_ATOMIC],
[
AC_ARG_WITH(libatomic,
AS_HELP_STRING([--without-libatomic],
[Do not use libatomic in core.atomic (default: auto)]))
DCFG_HAVE_LIBATOMIC=false
LIBATOMIC=
AS_IF([test "x$with_libatomic" != "xno"], [
DCFG_HAVE_LIBATOMIC=true
LIBATOMIC=../../libatomic/libatomic_convenience.la
], [
AC_MSG_CHECKING([for libatomic])
AC_MSG_RESULT([disabled])
])
AC_SUBST(DCFG_HAVE_LIBATOMIC)
AC_SUBST(LIBATOMIC)
])
# DRUNTIME_LIBRARIES_BACKTRACE
# ---------------------------
# Allow specifying whether to use libbacktrace for backtrace support.
# Adds subsitute for BACKTRACE_SUPPORTED, BACKTRACE_USES_MALLOC,
# and BACKTRACE_SUPPORTS_THREADS.
AC_DEFUN([DRUNTIME_LIBRARIES_BACKTRACE],
[
AC_LANG_PUSH([C])
BACKTRACE_SUPPORTED=false
BACKTRACE_USES_MALLOC=false
BACKTRACE_SUPPORTS_THREADS=false
LIBBACKTRACE=""
AC_ARG_WITH(libbacktrace,
AS_HELP_STRING([--without-libbacktrace],
[Do not use libbacktrace in core.runtime (default: auto)]))
AS_IF([test "x$with_libbacktrace" != "xno"], [
LIBBACKTRACE=../../libbacktrace/libbacktrace.la
gdc_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS -I../libbacktrace "
AC_CHECK_HEADER(backtrace-supported.h, have_libbacktrace_h=true,
have_libbacktrace_h=false)
if $have_libbacktrace_h; then
AC_MSG_CHECKING([libbacktrace: BACKTRACE_SUPPORTED])
AC_EGREP_CPP(FOUND_LIBBACKTRACE_RESULT_GDC,
[
#include <backtrace-supported.h>
#if BACKTRACE_SUPPORTED
FOUND_LIBBACKTRACE_RESULT_GDC
#endif
], BACKTRACE_SUPPORTED=true, BACKTRACE_SUPPORTED=false)
AC_MSG_RESULT($BACKTRACE_SUPPORTED)
AC_MSG_CHECKING([libbacktrace: BACKTRACE_USES_MALLOC])
AC_EGREP_CPP(FOUND_LIBBACKTRACE_RESULT_GDC,
[
#include <backtrace-supported.h>
#if BACKTRACE_USES_MALLOC
FOUND_LIBBACKTRACE_RESULT_GDC
#endif
], BACKTRACE_USES_MALLOC=true, BACKTRACE_USES_MALLOC=false)
AC_MSG_RESULT($BACKTRACE_USES_MALLOC)
AC_MSG_CHECKING([libbacktrace: BACKTRACE_SUPPORTS_THREADS])
AC_EGREP_CPP(FOUND_LIBBACKTRACE_RESULT_GDC,
[
#include <backtrace-supported.h>
#if BACKTRACE_SUPPORTS_THREADS
FOUND_LIBBACKTRACE_RESULT_GDC
#endif
], BACKTRACE_SUPPORTS_THREADS=true, BACKTRACE_SUPPORTS_THREADS=false)
AC_MSG_RESULT($BACKTRACE_SUPPORTS_THREADS)
fi
CPPFLAGS=$gdc_save_CPPFLAGS
], [
AC_MSG_CHECKING([for libbacktrace])
AC_MSG_RESULT([disabled])
])
AC_SUBST(LIBBACKTRACE)
AC_SUBST(BACKTRACE_SUPPORTED)
AC_SUBST(BACKTRACE_USES_MALLOC)
AC_SUBST(BACKTRACE_SUPPORTS_THREADS)
AC_LANG_POP([C])
])
# DRUNTIME_LIBRARIES_CLIB
# -----------------------
# Perform various feature checks on the C library.
AC_DEFUN([DRUNTIME_LIBRARIES_CLIB],
[
AC_LANG_PUSH([C])
DCFG_HAVE_QSORT_R=false
AC_CHECK_FUNC(qsort_r, [DCFG_HAVE_QSORT_R=true])
AC_SUBST(DCFG_HAVE_QSORT_R)
AC_LANG_POP([C])
])
# DRUNTIME_LIBRARIES_UCONTEXT
# ------------------------------
# Autodetect and add ucontext library to LIBS if necessary.
# This is only required if fiber_switchContext does not have
# its own internal asm implementation.
AC_DEFUN([DRUNTIME_LIBRARIES_UCONTEXT],
[
# Keep this in sync with core/thread.d, set druntime_fiber_asm_external to
# "yes" for targets that have 'version = AsmExternal'.
druntime_fiber_asm_external=no
case "$target_cpu" in
aarch64* | \
arm* | \
i[[34567]]86|x86_64 | \
powerpc)
druntime_fiber_asm_external=yes
;;
esac
if test "$druntime_fiber_asm_external" = no; then
AC_SEARCH_LIBS([swapcontext], [c ucontext], [],
AC_MSG_ERROR([swapcontext required but not found]))
fi
])
|
