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

Suggested-by: Khem Raj <[email protected]>
Signed-off-by: Ricardo Ribalda Delgado <[email protected]>
---
 meta/recipes-devtools/gcc/gcc-7.1.inc              |  1 +
 .../gcc/gcc-7.1/0048-Fix-gfortran-build.patch      | 53 ++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 
meta/recipes-devtools/gcc/gcc-7.1/0048-Fix-gfortran-build.patch

diff --git a/meta/recipes-devtools/gcc/gcc-7.1.inc 
b/meta/recipes-devtools/gcc/gcc-7.1.inc
index 4098d6a2c1e0..e142cdf79433 100644
--- a/meta/recipes-devtools/gcc/gcc-7.1.inc
+++ b/meta/recipes-devtools/gcc/gcc-7.1.inc
@@ -72,6 +72,7 @@ SRC_URI = "\
            file://0045-Link-libgcc-using-LDFLAGS-not-just-SHLIB_LDFLAGS.patch \
            
file://0046-libgcc_s-Use-alias-for-__cpu_indicator_init-instead-.patch \
            file://0047-sync-gcc-stddef.h-with-musl.patch \
+           file://0048-Fix-gfortran-build.patch \
            ${BACKPORTS} \
 "
 BACKPORTS = "\
diff --git a/meta/recipes-devtools/gcc/gcc-7.1/0048-Fix-gfortran-build.patch 
b/meta/recipes-devtools/gcc/gcc-7.1/0048-Fix-gfortran-build.patch
new file mode 100644
index 000000000000..a71b6b0bee0e
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-7.1/0048-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 <[email protected]>
+
+diff --git a/libgfortran/Makefile.am b/libgfortran/Makefile.am
+index 2857af5943f9..e07760069a3c 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 \
+       $(HWCAP_LDFLAGS) \
+       -lm $(extra_ldflags_libgfortran) \
+       $(version_arg) -Wc,-shared-libgcc
+@@ -64,7 +64,7 @@ AM_CPPFLAGS = -iquote$(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 05b183dcadb0..c9e0280e412c 100644
+--- a/libgfortran/Makefile.in
++++ b/libgfortran/Makefile.in
+@@ -581,7 +581,7 @@ 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 \
+       $(HWCAP_LDFLAGS) \
+       -lm $(extra_ldflags_libgfortran) \
+       $(version_arg) -Wc,-shared-libgcc
+@@ -602,7 +602,7 @@ AM_CPPFLAGS = -iquote$(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 = \
-- 
2.11.0

-- 
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