[source] gdb: remove Build/Compile rule ; default one works

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/ab485383fa4d60d6342cd5a4eb6b5429afba6b97

commit ab485383fa4d60d6342cd5a4eb6b5429afba6b97
Author: Alexandru Ardelean <ardeleanalex at gmail.com>
AuthorDate: Fri May 12 11:50:05 2017 +0300

    gdb: remove Build/Compile rule ; default one works
    
    Signed-off-by: Alexandru Ardelean <ardeleanalex at gmail.com>
---
 package/devel/gdb/Makefile | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/package/devel/gdb/Makefile b/package/devel/gdb/Makefile
index 84e7926..ffbc919 100644
--- a/package/devel/gdb/Makefile
+++ b/package/devel/gdb/Makefile
@@ -60,13 +60,6 @@ CONFIGURE_ARGS+= \
 CONFIGURE_VARS+= \
 	ac_cv_search_tgetent="$(TARGET_LDFLAGS) -lncurses -lreadline"
 
-define Build/Compile
-	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
-		DESTDIR="$(PKG_INSTALL_DIR)" \
-		CPPFLAGS="$(TARGET_CPPFLAGS)" \
-		all
-endef
-
 define Build/Install
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		DESTDIR="$(PKG_INSTALL_DIR)" \