[OE-core] [meta-oe][PATCH v2 1/2] gcc-6.4: Fix libgfortran build

[Ricardo Ribalda Delgado]

Without this patch libbacktrace cannot be included/link during
libgfortran build.

libbtool: link: cannot find the library `../libbacktrace/libbacktrace.la'
or unhandled argument `../libbacktrace/libbacktrace.la'

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda at gmail.com>
---
 meta/recipes-devtools/gcc/gcc-6.4.inc              |  1 +
 .../gcc/gcc-6.4/0057-Fix-gfortran-build.patch      | 53 ++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 meta/recipes-devtools/gcc/gcc-6.4/0057-Fix-gfortran-build.patch

diff --git a/meta/recipes-devtools/gcc/gcc-6.4.inc b/meta/recipes-devtools/gcc/gcc-6.4.inc
index 37e996afb706..f2b01699f157 100644
--- a/meta/recipes-devtools/gcc/gcc-6.4.inc
+++ b/meta/recipes-devtools/gcc/gcc-6.4.inc
@@ -76,6 +76,7 @@ SRC_URI = "\
            file://0054_all_nopie-all-flags.patch \
            file://0055-unwind_h-glibc26.patch \
            file://0056-LRA-PR70904-relax-the-restriction-on-subreg-reload-f.patch \
+           file://0057-Fix-gfortran-build.patch \
            ${BACKPORTS} \
 "
 BACKPORTS = "\
diff --git a/meta/recipes-devtools/gcc/gcc-6.4/0057-Fix-gfortran-build.patch b/meta/recipes-devtools/gcc/gcc-6.4/0057-Fix-gfortran-build.patch
new file mode 100644
index 000000000000..30b135b9780f
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-6.4/0057-Fix-gfortran-build.patch
@@ -0,0 +1,53 @@
+Without this patch libbacktrace cannot be included/link during
+libgfortran build.
+
+libbtool: link: cannot find the library `../libbacktrace/libbacktrace.la'
+or unhandled argument `../libbacktrace/libbacktrace.la'
+
+Upstream-Status: Inappropriate [OE specific]
+Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda at gmail.com>
+
+diff --git a/libgfortran/Makefile.am b/libgfortran/Makefile.am
+index 39d3e11d223c..b5efe6dfe195 100644
+--- a/libgfortran/Makefile.am
++++ b/libgfortran/Makefile.am
+@@ -37,7 +37,7 @@ toolexeclib_LTLIBRARIES = libgfortran.la
+ toolexeclib_DATA = libgfortran.spec
+ libgfortran_la_LINK = $(LINK) $(libgfortran_la_LDFLAGS)
+ libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+-	$(LTLDFLAGS) $(LIBQUADLIB) ../libbacktrace/libbacktrace.la \
++	$(LTLDFLAGS) $(LIBQUADLIB) ../../libbacktrace/libbacktrace.la \
+ 	-lm $(extra_ldflags_libgfortran) \
+ 	$(version_arg) -Wc,-shared-libgcc
+ libgfortran_la_DEPENDENCIES = $(version_dep) libgfortran.spec $(LIBQUADLIB_DEP)
+@@ -63,7 +63,7 @@ AM_CPPFLAGS = -iquote$(srcdir)/io -I$(srcdir)/$(MULTISRCTOP)../gcc \
+ 	      -I$(MULTIBUILDTOP)../libgcc \
+ 	      -I$(srcdir)/$(MULTISRCTOP)../libbacktrace \
+ 	      -I$(MULTIBUILDTOP)../libbacktrace \
+-	      -I../libbacktrace
++	      -I../../libbacktrace
+ 
+ # Fortran rules for complex multiplication and division
+ AM_CFLAGS += -fcx-fortran-rules
+diff --git a/libgfortran/Makefile.in b/libgfortran/Makefile.in
+index 7ed080cf7b0d..d197fbd6b683 100644
+--- a/libgfortran/Makefile.in
++++ b/libgfortran/Makefile.in
+@@ -598,7 +598,7 @@ toolexeclib_LTLIBRARIES = libgfortran.la
+ toolexeclib_DATA = libgfortran.spec
+ libgfortran_la_LINK = $(LINK) $(libgfortran_la_LDFLAGS)
+ libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+-	$(LTLDFLAGS) $(LIBQUADLIB) ../libbacktrace/libbacktrace.la \
++	$(LTLDFLAGS) $(LIBQUADLIB) ../../libbacktrace/libbacktrace.la \
+ 	-lm $(extra_ldflags_libgfortran) \
+ 	$(version_arg) -Wc,-shared-libgcc
+ 
+@@ -618,7 +618,7 @@ AM_CPPFLAGS = -iquote$(srcdir)/io -I$(srcdir)/$(MULTISRCTOP)../gcc \
+ 	      -I$(MULTIBUILDTOP)../libgcc \
+ 	      -I$(srcdir)/$(MULTISRCTOP)../libbacktrace \
+ 	      -I$(MULTIBUILDTOP)../libbacktrace \
+-	      -I../libbacktrace
++	      -I../../libbacktrace
+ 
+ gfor_io_src = io/size_from_kind.c $(am__append_2)
+ gfor_io_headers = \
-- 
2.15.0