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PR jit/64780: configure: --enable-host-shared and the jit

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ChangeLog:
	PR jit/64780
	* configure.ac: Require the user to explicitly specify
	--enable-host-shared if the jit is enabled.
	* configure: Regenerate.

From-SVN: r220253
This commit is contained in:
David Malcolm 2015-01-29 16:25:14 +00:00 committed by David Malcolm
parent 3dbb84276a
commit 231d020bfb
3 changed files with 55 additions and 0 deletions

7
ChangeLog

@ -1,3 +1,10 @@
2015-01-29 David Malcolm <dmalcolm@redhat.com>
PR jit/64780
* configure.ac: Require the user to explicitly specify
--enable-host-shared if the jit is enabled.
* configure: Regenerate.
2015-01-27 Robert Suchanek <robert.suchanek@imgtec.com>
* MAINTAINERS (Write After Approval): Add myself.

24
configure vendored

@ -14750,6 +14750,30 @@ fi
# PR jit/64780: Require the user to explicitly specify
# --enable-host-shared if the jit is enabled, hinting
# that they might want to do a separate configure/build of
# the jit, to avoid users from slowing down the rest of the
# compiler by enabling the jit.
if test ${host_shared} = "no" ; then
case "${enable_languages}" in
*jit*)
as_fn_error "
Enabling language \"jit\" requires --enable-host-shared.
--enable-host-shared typically slows the rest of the compiler down by
a few %, so you must explicitly enable it.
If you want to build both the jit and the regular compiler, it is often
best to do this via two separate configure/builds, in separate
directories, to avoid imposing the performance cost of
--enable-host-shared on the regular compiler." "$LINENO" 5
;;
*)
;;
esac
fi
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"

24
configure.ac

@ -3467,6 +3467,30 @@ AC_ARG_ENABLE(host-shared,
[host_shared=$enableval], [host_shared=no])
AC_SUBST(host_shared)
# PR jit/64780: Require the user to explicitly specify
# --enable-host-shared if the jit is enabled, hinting
# that they might want to do a separate configure/build of
# the jit, to avoid users from slowing down the rest of the
# compiler by enabling the jit.
if test ${host_shared} = "no" ; then
case "${enable_languages}" in
*jit*)
AC_MSG_ERROR([
Enabling language "jit" requires --enable-host-shared.
--enable-host-shared typically slows the rest of the compiler down by
a few %, so you must explicitly enable it.
If you want to build both the jit and the regular compiler, it is often
best to do this via two separate configure/builds, in separate
directories, to avoid imposing the performance cost of
--enable-host-shared on the regular compiler.])
;;
*)
;;
esac
fi
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"