package/gcc: wrap gfortran

gfortran supports all options supported by gcc, so it can and should be called
via the toolchain wrapper.

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gcc/gcc.mk

@@ -265,6 +265,8 @@ endif # BR2_CCACHE
 # used. However, we should not add the toolchain wrapper for them, and they
 # match the *cc-* pattern. Therefore, an additional case is added for *-ar,
 # *-ranlib and *-nm.
+# According to gfortran manpage, it supports all options supported by gcc, so
+# add gfortran to the list of the program called via the Buildroot wrapper.
 # Avoid that a .br_real is symlinked a second time.
 # Also create <arch>-linux-<tool> symlinks.
 define HOST_GCC_INSTALL_WRAPPER_AND_SIMPLE_SYMLINKS
@@ -276,7 +278,7 @@ define HOST_GCC_INSTALL_WRAPPER_AND_SIMPLE_SYMLINKS
 		*-ar|*-ranlib|*-nm) \
 			ln -snf $$i $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
 			;; \
-		*cc|*cc-*|*++|*++-*|*cpp) \
+		*cc|*cc-*|*++|*++-*|*cpp|*-gfortran) \
 			rm -f $$i.br_real; \
 			mv $$i $$i.br_real; \
 			ln -sf toolchain-wrapper $$i; \