diff options
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 69 |
1 files changed, 58 insertions, 11 deletions
diff --git a/erts/configure.in b/erts/configure.in index c391aece14..f17f4cb5c8 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -150,6 +150,14 @@ AS_HELP_STRING([--disable-smp-support], [disable smp support]), *) enable_smp_support=yes ;; esac ], enable_smp_support=unknown) +AC_ARG_ENABLE(smp-require-native-atomics, + AS_HELP_STRING([--disable-smp-require-native-atomics], + [disable the SMP requirement of a native atomic implementation]), +[ case "$enableval" in + no) smp_require_native_atomics=no ;; + *) smp_require_native_atomics=yes ;; + esac ], smp_require_native_atomics=yes) + AC_ARG_WITH(termcap, AS_HELP_STRING([--with-termcap], [use termcap (default)]) AS_HELP_STRING([--without-termcap], @@ -429,7 +437,7 @@ case $host_os in win32) # The ethread library requires _WIN32_WINNT of at least 0x0403. # -D_WIN32_WINNT=* from CPPFLAGS is saved in ETHR_DEFS. - CPPFLAGS="$CPPFLAGS -D_WIN32_WINNT=0x0500 -DWINVER=0x0500" + CPPFLAGS="$CPPFLAGS -D_WIN32_WINNT=0x0501 -DWINVER=0x0501" ;; darwin*) CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE" @@ -624,6 +632,7 @@ case $chk_arch_ in armv5teb) ARCH=arm;; armv5tel) ARCH=arm;; armv5tejl) ARCH=arm;; + armv6l) ARCH=arm;; armv7l) ARCH=arm;; tile) ARCH=tile;; *) ARCH=noarch;; @@ -1042,11 +1051,18 @@ if test $ERTS_BUILD_SMP_EMU = yes; then AC_DEFINE(ERTS_HAVE_SMP_EMU, 1, [Define if the smp emulator is built]) - case "$ethr_have_native_atomics-$ethr_have_native_spinlock" in + test "X$smp_require_native_atomics" = "Xyes" && + AC_DEFINE(ETHR_SMP_REQUIRE_NATIVE_IMPLS, 1, [Define if you want to enable check for native ethread implementations]) + + case "$ethr_have_native_atomics-$smp_require_native_atomics-$ethr_have_native_spinlock" in yes-*) ;; - no-yes) + no-yes-*) + AC_MSG_ERROR([No native atomic implementation found. See Configuring section in INSTALL.md for more information.]) + ;; + + no-no-yes) test -f "$ERL_TOP/erts/CONF_INFO" || echo "" > "$ERL_TOP/erts/CONF_INFO" @@ -1055,12 +1071,13 @@ if test $ERTS_BUILD_SMP_EMU = yes; then No native atomic implementation available. Fallbacks implemented using spinlocks will be used. Note that the performance of the SMP - runtime system will suffer due to this. + runtime system will suffer immensely due to + this. EOF ;; - no-no) + no-no-no) test -f "$ERL_TOP/erts/CONF_INFO" || echo "" > "$ERL_TOP/erts/CONF_INFO" @@ -1070,7 +1087,7 @@ EOF spinlock implementation available. Fallbacks implemented using mutexes will be used. Note that the performance of the SMP runtime system - will suffer much due to this. + will suffer immensely due to this. EOF ;; @@ -1082,8 +1099,26 @@ fi AC_SUBST(ERTS_BUILD_SMP_EMU) -AC_CHECK_FUNCS([posix_fadvise, fallocate]) +AC_CHECK_FUNCS([posix_fadvise]) AC_CHECK_HEADERS([linux/falloc.h]) +dnl * Old glibcs have broken fallocate64(). Make sure not to use it. +AC_CACHE_CHECK([whether fallocate() works],i_cv_fallocate_works,[ + AC_TRY_LINK([ + #include <stdio.h> + #include <stdlib.h> + #include <fcntl.h> + #include <unistd.h> + #include <fcntl.h> + #include <linux/falloc.h> + ], + [ + int fd = creat("conftest.temp", 0600); + fallocate(fd, FALLOC_FL_KEEP_SIZE,(off_t) 1024,(off_t) 1024); + ], i_cv_fallocate_works=yes, i_cv_fallocate_works=no) +]) +if test $i_cv_fallocate_works = yes; then + AC_DEFINE(HAVE_FALLOCATE, 1, Define if you have a working fallocate()) +fi dnl * Old glibcs have broken posix_fallocate(). Make sure not to use it. dnl * It may also be broken in AIX. @@ -1324,6 +1359,17 @@ if test "x$TERMCAP_LIB" != "x"; then AC_DEFINE(HAVE_TERMCAP, 1, [Define if termcap functions exists]) fi +if test "X$host" != "Xwin32"; then + AC_MSG_CHECKING(for wcwidth) + AC_TRY_LINK([#include <wchar.h>], [wcwidth(0);], + have_wcwidth=yes, have_wcwidth=no) + if test $have_wcwidth = yes; then + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_WCWIDTH, [1], + [Define to 1 if you have a `wcwidth' function.]) + fi +fi + dnl ------------- dnl zlib dnl ------------- @@ -1633,6 +1679,10 @@ if test x"$ac_cv_header_netinet_sctp_h" = x"yes"; then ]) fi +dnl Check for setns +AC_CHECK_HEADERS(sched.h setns.h) +AC_CHECK_FUNCS([setns]) + HAVE_VALGRIND=no AC_CHECK_HEADER(valgrind/valgrind.h, HAVE_VALGRIND=yes) AC_SUBST(HAVE_VALGRIND) @@ -3558,10 +3608,7 @@ DED_EXT=so case $host_os in win32) DED_EXT=dll;; darwin*) - DED_CFLAGS="$DED_CFLAGS -fno-common" - if test "X$STATIC_CFLAGS" = "X"; then - STATIC_CFLAGS="-mdynamic-no-pic" - fi;; + DED_CFLAGS="$DED_CFLAGS -fno-common";; *) ;; esac |