diff options
Diffstat (limited to 'lib/erl_interface/configure.in')
| -rw-r--r-- | lib/erl_interface/configure.in | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/lib/erl_interface/configure.in b/lib/erl_interface/configure.in index 0a8fbf513c..747750c1fb 100644 --- a/lib/erl_interface/configure.in +++ b/lib/erl_interface/configure.in @@ -1,7 +1,7 @@ # -*- Autoconf -*- # %CopyrightBegin% # -# Copyright Ericsson AB 2000-2016. All Rights Reserved. +# Copyright Ericsson AB 2000-2018. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -82,6 +82,15 @@ AC_ARG_ENABLE(threads, esac ], [ threads_disabled=maybe ]) +AC_ARG_ENABLE(mask-real-errno, +[ --disable-mask-real-errno do not mask real 'errno'], +[ case "$enableval" in + no) mask_real_errno=no ;; + *) mask_real_errno=yes ;; + esac ], +[ mask_real_errno=yes ]) + + dnl ---------------------------------------------------------------------- dnl Checks for programs dnl ---------------------------------------------------------------------- @@ -100,12 +109,29 @@ AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(void *) AC_CHECK_SIZEOF(long long) +if test $mask_real_errno = yes; then + AC_DEFINE(EI_HIDE_REAL_ERRNO, 1, [Define if 'errno' should not be exposed as is in 'erl_errno']) +fi + dnl We set EI_64BIT mode when long is 8 bytes, this makes things dnl work on windows and unix correctly if test $ac_cv_sizeof_long = 8; then CFLAGS="$CFLAGS -DEI_64BIT" fi +LM_HARDWARE_ARCH + +AC_MSG_CHECKING(for unaligned word access) +case "$ARCH" in + x86|amd64) + AC_MSG_RESULT(yes: x86 or amd64) + AC_DEFINE(HAVE_UNALIGNED_WORD_ACCESS, 1, [Define if hw supports unaligned word access]) + ;; + *) + AC_MSG_RESULT(no) + ;; +esac + AC_CHECK_TOOL(AR, ar, false) if test "$AR" = false; then AC_MSG_ERROR([No 'ar' command found in PATH]) @@ -145,7 +171,7 @@ AC_CHECK_LIB([socket], [getpeername]) # Checks for header files. AC_HEADER_STDC AC_HEADER_SYS_WAIT -AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h malloc.h netdb.h netinet/in.h stddef.h stdlib.h string.h sys/param.h sys/socket.h sys/select.h sys/time.h unistd.h sys/types.h]) +AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h malloc.h netdb.h netinet/in.h stddef.h stdlib.h string.h sys/param.h sys/socket.h sys/select.h sys/time.h unistd.h sys/types.h sys/uio.h]) # Checks for typedefs, structures, and compiler characteristics. # fixme AC_C_CONST & AC_C_VOLATILE needed for Windows? @@ -180,7 +206,7 @@ AC_CHECK_FUNCS([dup2 gethostbyaddr gethostbyname \ gethostbyaddr_r \ gethostbyname_r gethostname writev \ gethrtime gettimeofday inet_ntoa memchr memmove memset select \ - socket strchr strerror strrchr strstr uname]) + socket strchr strerror strrchr strstr uname sysconf]) AC_CHECK_FUNC(res_gethostbyname, [], AC_CHECK_LIB(resolv, res_gethostbyname) ) @@ -242,6 +268,7 @@ AC_SUBST(EI_THREADS) case "$threads_disabled" in no|maybe) LM_CHECK_THR_LIB + ETHR_CHK_GCC_ATOMIC_OPS([]) case "$THR_LIB_NAME" in "") @@ -255,7 +282,7 @@ case "$threads_disabled" in EI_THREADS="true" THR_DEFS="$THR_DEFS -D_WIN32_WINNT=0x0600 -DWINVER=0x0600" ;; - pthread) + pthread) EI_THREADS="true" ;; *) |