diff options
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/erts/configure.in b/erts/configure.in index f15bb56435..b2435f1ac9 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1760,6 +1760,25 @@ if test $ac_cv_sizeof_void_p = 8; then fi AC_SUBST(BITS64) +AC_MSG_CHECKING([for C compiler 'restrict' support]) +restrict_keyword="" +for x in restrict __restrict; do + AC_TRY_COMPILE([int * $x foo(int * $x arg); + int * $x foo(int * $x arg) + { int * $x var=arg; return var;} + ],[], + [restrict_keyword=$x],[]) + if test "x$restrict_keyword" != "x"; then + break + fi +done +AC_DEFINE_UNQUOTED(ERTS_RESTRICT,[$restrict_keyword],[Type qualifier restrict]) +if test "x$restrict_keyword" != "x"; then + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + if test "x$ac_compiler_gnu" = "xyes"; then AC_MSG_CHECKING([if we should add -fno-tree-copyrename to CFLAGS for computed gotos to work properly]) AC_TRY_COMPILE([],[ @@ -1779,8 +1798,6 @@ else AC_MSG_RESULT(no) fi - - AC_MSG_CHECKING([for broken gcc-4.3.0 compiler]) AC_TRY_RUN([ /* pr36339.c */ @@ -2749,23 +2766,6 @@ if test "$cross_compiling" != "yes" && test X${enable_hipe} != Xno; then fi fi -dnl Check to disable -fPIE and friends for HiPE on amd64 -if test X${enable_hipe} = Xyes && test X$ARCH = Xamd64; then - AC_TRY_COMPILE(, [#if defined(__pie__) || defined(__PIE__) - #error -fPIE is enabled by default - #endif], - [AC_MSG_NOTICE([No -fPIE enabled by default])], - [AC_MSG_WARN([Security feature -fPIE will be disabled for HiPE]) - STATIC_CFLAGS="-fno-PIE $STATIC_CFLAGS" - saved_LDFLAGS=$LDFLAGS - LDFLAGS="-no-pie $LDFLAGS" - AC_TRY_LINK(,, [], - [LDFLAGS="-fno-PIE $saved_LDFLAGS" - AC_TRY_LINK(,, [], - [AC_MSG_WARN([Linked does not accept option -no-pie nor -fno-PIE]) - LDFLAGS=$saved_LDFLAGS])])]) -fi - if test X${enable_hipe} = Xyes; then case $OPSYS in linux) |