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Build: Make function constructor/destructor attributes mandatory.

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This change causes the configure script to fail if the C compiler does
not support both function attributes constructor and destructor.  These
were already required as modules cannot function without these attributes
and Asterisk requires modules.

This also has AST_GCC_ATTRIBUTE set a variable
ax_cv_have_func_attribute_$1.  This is the same variable name used by
autoconf-archive's AX_GCC_FUNC_ATTRIBUTE, used for the same purpose.

Change-Id: Id68e8a1447f2a6d707c54b56350e7bfdb33fb663
This commit is contained in:
Corey Farrell
2017-10-30 23:09:17 -04:00
parent 6f1910d6ec
commit e9f8b317c3
4 changed files with 53 additions and 4 deletions
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7
configure.ac
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@@ -1149,7 +1149,14 @@ AST_GCC_ATTRIBUTE(sentinel)
AST_GCC_ATTRIBUTE(warn_unused_result)
AST_GCC_ATTRIBUTE(may_alias)
AST_GCC_ATTRIBUTE(constructor)
if test "$ax_cv_have_func_attribute_constructor" != "1"; then
AC_MSG_ERROR([*** Function constructor attribute is not supported by your compiler.])
fi
AST_GCC_ATTRIBUTE(destructor)
if test "$ax_cv_have_func_attribute_destructor" != "1"; then
AC_MSG_ERROR([*** Function destructor attribute is not supported by your compiler.])
fi
AST_GCC_ATTRIBUTE(noreturn,noreturn)
AC_MSG_CHECKING(for -fsanitize=address support)