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https://kernel.googlesource.com/pub/scm/network/tftp/tftp-hpa
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fefaa2cc5c
Use my modular m4 library used for other things as well; update autoconf macros to 2.71 standard. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
16 lines
614 B
Text
16 lines
614 B
Text
dnl --------------------------------------------------------------------------
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dnl PA_BUILD_IFELSE(input [,success [,failure]])
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dnl
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dnl Same as AC_LINK_IFELSE for languages where linking is applicable,
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dnl otherwise AC_COMPILE_IFELSE.
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dnl
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dnl If the first argument is empty, use _AC_LANG_IO_PROGRAM.
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dnl --------------------------------------------------------------------------
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m4_defun([_PA_BUILD_IFELSE],
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[m4_case(_AC_LANG,
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[Erlang], [AC_COMPILE_IFELSE($@)],
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[AC_LINK_IFELSE($@)])])
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AC_DEFUN([PA_BUILD_IFELSE],
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[_PA_BUILD_IFELSE([m4_ifblank([$1],[AC_LANG_SOURCE(_AC_LANG_IO_PROGRAM)],
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[$1])],[$2],[$3])])
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