37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
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diff --git a/m4/yuck.m4 b/m4/yuck.m4
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index 4796e9c..6ae4eb9 100644
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--- m4/yuck.m4
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+++ m4/yuck.m4
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@@ -112,7 +112,30 @@ AC_DEFUN([AX_YUCK_SCMVER], [dnl
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#define _XOPEN_SOURCE 600
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#define VERSION_FILE "${srcdir}/.version"
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#include "yuck-scmver.c"
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-]])], [STIP_VERSION=`./conftest$EXEEXT`], [AC_MSG_RESULT([none])])
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+]])], [STIP_VERSION=`./conftest$EXEEXT`], [AC_MSG_RESULT([none])], [dnl
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+ AC_MSG_RESULT([impossible, cross-compiling])
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+ if test -f "[]vfile[]" -o \
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+ -f "${srcdir}/[]vfile[]" -o \
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+ -f "${srcdir}/.version"; then
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+ AC_MSG_NOTICE([
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+Files that (possibly) mandate versions have been detected.
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+These are `]vfile[' or `${srcdir}/]vfile[' or `${srcdir}/.version'.
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+However, their contents cannot be automatically checked for integrity
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+due to building for a platform other than the current one
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+(cross-compiling).
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+
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+I will proceed with the most conservative guess for the stipulated
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+version, which is `${VERSION}'.
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+
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+If that appears to be wrong, or needs overriding, please edit the
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+aforementioned files manually.
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+
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+Also note, even though this project comes with all the tools to
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+perform a successful bootstrap for any of the files above, should
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+they go out of date or be deleted, they don't support cross-builds.
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+ ])
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+ fi
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+ ])
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CPPFLAGS="${save_CPPFLAGS}"
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AC_LANG_POP([C])
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