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Only check for .interp when we have objcopy

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On Mac OS, where we don't have objcopy, ./configure logs:

checking for objcopy... no
checking for .interp value to use... ./configure: line 22174: conftest.interp: No such file or directory

Signed-off-by: Ruben Kerkhof <ruben@rubenkerkhof.com>
This commit is contained in:
Ruben Kerkhof 2019-01-22 18:39:47 +01:00
parent 29d46e4bb6
commit 1b68b1cdd3
1 changed files with 10 additions and 8 deletions
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18
configure.ac
View file

@ -817,15 +817,17 @@ fi
AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
frr_cv_interp=""
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
frr_cv_interp="`xargs -0 echo < conftest.interp`"
fi
test -f conftest.interp && rm conftest.interp
if test "x${OBJCOPY}" != "x:"; then
AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
frr_cv_interp=""
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
frr_cv_interp="`xargs -0 echo < conftest.interp`"
fi
test -f conftest.interp && rm conftest.interp
])
])
])
fi
if test -n "$frr_cv_interp"; then
AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
fi