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17 lines
689 B
Plaintext
17 lines
689 B
Plaintext
dnl Check whether the target supports symbol aliases.
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dnl This is a mdbtools specific version
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dnl TODO: Check if gnulib version works, and add serial
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dnl Code copied from libgomp
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AC_DEFUN([AM_GCC_ATTRIBUTE_ALIAS], [
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AC_CACHE_CHECK([whether the target supports symbol aliases],
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am_cv_gcc_have_attribute_alias, [
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AC_LINK_IFELSE([AC_LANG_PROGRAM([
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void foo(void) { }
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extern void bar(void) __attribute__((alias("foo")));],
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[bar();])], am_cv_gcc_have_attribute_alias=yes, am_cv_gcc_have_attribute_alias=no)])
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if test $am_cv_gcc_have_attribute_alias = yes; then
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AC_DEFINE(HAVE_ATTRIBUTE_ALIAS, 1,
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[Define to 1 if the target supports __attribute__((alias(...))).])
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fi])
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