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| author | Sverker Eriksson <[email protected]> | 2018-02-14 17:41:50 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2018-02-14 17:41:50 +0100 |
| commit | 62176184ba0a68d4c2ef17283a9915fddf87ddff (patch) | |
| tree | 9f9bf7df6e47d9636e4946d34e3c6c6aa9cb6dc7 /erts/configure.in | |
| parent | bf0d03bd6f393b6a4f7836c5203e9a83caf457e8 (diff) | |
| parent | 6a09d85b1762b87d0dc6cf503fcb20080237339b (diff) | |
| download | otp-62176184ba0a68d4c2ef17283a9915fddf87ddff.tar.gz otp-62176184ba0a68d4c2ef17283a9915fddf87ddff.tar.bz2 otp-62176184ba0a68d4c2ef17283a9915fddf87ddff.zip | |
Merge branch 'sverker/gc-move-opt'
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/erts/configure.in b/erts/configure.in index dd6c52b079..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 */ |