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PATCH: PR bootstrap/62260: Build inside source tree doesn't work with lto-plugin
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Mon, 25 Aug 2014 14:54:40 -0700
- Subject: PATCH: PR bootstrap/62260: Build inside source tree doesn't work with lto-plugin
- Authentication-results: sourceware.org; auth=none
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
Inside lto-plugin, when $host_subdir is '.', which means GCC is configured
inside source tree, gcc_build_dir is ../../$host_subdir/gcc, not
../$(host_subdir)/gcc. Tested with both in-tree and out-tree build on
Linux/x86-64. OK for trunk?
Thanks.
H.J.
---
2014-08-25 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/62260
* Makefile.am (gcc_build_dir): Set to @gcc_build_dir@.
* configure.ac (gcc_build_dir): Set according to $host_subdir.
* Makefile.in: Regenerated.
* configure: Likewise.
diff --git a/lto-plugin/Makefile.am b/lto-plugin/Makefile.am
index f3fb89b..93ea649 100644
--- a/lto-plugin/Makefile.am
+++ b/lto-plugin/Makefile.am
@@ -15,7 +15,7 @@ override CFLAGS := $(filter-out -fsanitize=address,$(CFLAGS))
override LDFLAGS := $(filter-out -fsanitize=address,$(LDFLAGS))
libexecsub_LTLIBRARIES = liblto_plugin.la
-gcc_build_dir = ../$(host_subdir)/gcc
+gcc_build_dir = @gcc_build_dir@
in_gcc_libs = $(foreach lib, $(libexecsub_LTLIBRARIES), $(gcc_build_dir)/$(lib))
liblto_plugin_la_SOURCES = lto-plugin.c
diff --git a/lto-plugin/configure.ac b/lto-plugin/configure.ac
index 6a5ae8a..c3ae93e 100644
--- a/lto-plugin/configure.ac
+++ b/lto-plugin/configure.ac
@@ -27,6 +27,13 @@ if test "x$have_static_libgcc" = xyes; then
fi
AC_SUBST(ac_lto_plugin_ldflags)
+if test x"$host_subdir" = x.; then
+ gcc_build_dir=../gcc
+else
+ gcc_build_dir=../../$host_subdir/gcc
+fi
+AC_SUBST(gcc_build_dir)
+
AM_PROG_LIBTOOL
ACX_LT_HOST_FLAGS
AC_SUBST(target_noncanonical)