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24 lines
859 B
Text
24 lines
859 B
Text
# backwards compat with older pkg-config
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# - pull in AC_DEFUN from pkg.m4
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m4_ifndef([PKG_CHECK_VAR], [
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# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
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# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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# -------------------------------------------
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# Retrieves the value of the pkg-config variable for the given module.
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AC_DEFUN([PKG_CHECK_VAR],
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[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
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_PKG_CONFIG([$1], [variable="][$3]["], [$2])
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AS_VAR_COPY([$1], [pkg_cv_][$1])
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AS_VAR_IF([$1], [""], [$5], [$4])dnl
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])# PKG_CHECK_VAR
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])
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# This hack makes PKG_CHECK_VARS from m4/pkg.m4 work on autoconf 2.63
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# ( courtesy of sunnybear in https://github.com/gdnsd/gdnsd/issues/85 )
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m4_ifndef([AS_VAR_COPY],
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[m4_define([AS_VAR_COPY],
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[AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])])])
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## End Autoconf-2.63-Compat
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