project-base/server-skynet-source-3rd-jemalloc
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Add Cray compiler's equivalent of -Werror before __attribute__ checks

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Cray uses -herror_on_warning instead of -Werror. Use it everywhere -Werror is
currently used for __attribute__ checks so configure actually detects they're
not supported.
This commit is contained in:
Elliot Ronaghan 2016-06-14 15:26:53 -07:00
parent 3ef67930e0
commit 3dee73faf2
1 changed files with 4 additions and 0 deletions
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4
configure.ac
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@ -504,6 +504,7 @@ fi
dnl Check for tls_model attribute support (clang 3.0 still lacks support).
SAVED_CFLAGS="${CFLAGS}"
JE_CFLAGS_APPEND([-Werror])
JE_CFLAGS_APPEND([-herror_on_warning])
JE_COMPILABLE([tls_model attribute], [],
[static __thread int
__attribute__((tls_model("initial-exec"), unused)) foo;
@ -519,6 +520,7 @@ fi
dnl Check for alloc_size attribute support.
SAVED_CFLAGS="${CFLAGS}"
JE_CFLAGS_APPEND([-Werror])
JE_CFLAGS_APPEND([-herror_on_warning])
JE_COMPILABLE([alloc_size attribute], [#include <stdlib.h>],
[void *foo(size_t size) __attribute__((alloc_size(1)));],
[je_cv_alloc_size])
@ -529,6 +531,7 @@ fi
dnl Check for format(gnu_printf, ...) attribute support.
SAVED_CFLAGS="${CFLAGS}"
JE_CFLAGS_APPEND([-Werror])
JE_CFLAGS_APPEND([-herror_on_warning])
JE_COMPILABLE([format(gnu_printf, ...) attribute], [#include <stdlib.h>],
[void *foo(const char *format, ...) __attribute__((format(gnu_printf, 1, 2)));],
[je_cv_format_gnu_printf])
@ -539,6 +542,7 @@ fi
dnl Check for format(printf, ...) attribute support.
SAVED_CFLAGS="${CFLAGS}"
JE_CFLAGS_APPEND([-Werror])
JE_CFLAGS_APPEND([-herror_on_warning])
JE_COMPILABLE([format(printf, ...) attribute], [#include <stdlib.h>],
[void *foo(const char *format, ...) __attribute__((format(printf, 1, 2)));],
[je_cv_format_printf])