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configury: abort when builtin atomics cannot be built and configure'd… #3757

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Merged
merged 1 commit into from
Aug 14, 2017
Merged

configury: abort when builtin atomics cannot be built and configure'd… #3757

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15 changes: 7 additions & 8 deletions config/opal_config_asm.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -970,16 +970,15 @@ AC_DEFUN([OPAL_CONFIG_ASM],[

AC_ARG_ENABLE([builtin-atomics],
[AC_HELP_STRING([--enable-builtin-atomics],
[Enable use of __sync builtin atomics (default: enabled)])],
[], [enable_builtin_atomics="yes"])
[Enable use of __sync builtin atomics (default: enabled)])])

opal_cv_asm_builtin="BUILTIN_NO"
if test "$opal_cv_asm_builtin" = "BUILTIN_NO" && test "$enable_builtin_atomics" = "yes" ; then
OPAL_CHECK_GCC_ATOMIC_BUILTINS([opal_cv_asm_builtin="BUILTIN_GCC"], [])
fi
if test "$opal_cv_asm_builtin" = "BUILTIN_NO" && test "$enable_builtin_atomics" = "yes" ; then
OPAL_CHECK_SYNC_BUILTINS([opal_cv_asm_builtin="BUILTIN_SYNC"], [])
fi
AS_IF([test "$opal_cv_asm_builtin" = "BUILTIN_NO" && test "$enable_builtin_atomics" != "no"],
[OPAL_CHECK_GCC_ATOMIC_BUILTINS([opal_cv_asm_builtin="BUILTIN_GCC"], [])])
AS_IF([test "$opal_cv_asm_builtin" = "BUILTIN_NO" && test "$enable_builtin_atomics" != "no"],
[OPAL_CHECK_SYNC_BUILTINS([opal_cv_asm_builtin="BUILTIN_SYNC"], [])])
AS_IF([test "$opal_cv_asm_builtin" = "BUILTIN_NO" && test "$enable_builtin_atomics" = "yes"],
[AC_MSG_ERROR([__sync builtin atomics requested but not found.])])

OPAL_CHECK_ASM_PROC
OPAL_CHECK_ASM_TEXT
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