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43 lines
1.1 KiB
43 lines
1.1 KiB
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# Copyright (C) Igor Sysoev
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# Copyright (C) Nginx, Inc.
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if [ $NGX_LIBATOMIC != YES ]; then
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have=NGX_HAVE_LIBATOMIC . auto/have
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CORE_INCS="$CORE_INCS $NGX_LIBATOMIC/src"
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LINK_DEPS="$LINK_DEPS $NGX_LIBATOMIC/build/lib/libatomic_ops.a"
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CORE_LIBS="$CORE_LIBS $NGX_LIBATOMIC/build/lib/libatomic_ops.a"
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else
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ngx_feature="atomic_ops library"
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ngx_feature_name=NGX_HAVE_LIBATOMIC
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ngx_feature_run=yes
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ngx_feature_incs="#define AO_REQUIRE_CAS
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#include <atomic_ops.h>"
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ngx_feature_path=
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ngx_feature_libs="-latomic_ops"
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ngx_feature_test="AO_t n = 0;
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if (!AO_compare_and_swap(&n, 0, 1))
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return 1;
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if (AO_fetch_and_add(&n, 1) != 1)
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return 1;
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if (n != 2)
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return 1;
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AO_nop();"
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. auto/feature
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if [ $ngx_found = yes ]; then
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CORE_LIBS="$CORE_LIBS $ngx_feature_libs"
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else
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cat << END
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$0: error: libatomic_ops library was not found.
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END
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exit 1
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fi
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fi
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