sparc: needs -fPIC

Pinted out by Thomas Petazzoni.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

3 files changed, 23 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 0a5f86929..c756dfeaf 100644
--- a/Makefile
+++ b/Makefile
@@ -178,7 +178,7 @@ endif
 # SUBARCH is subsequently ignored.
 
 ifneq ($(CROSS_COMPILE),)
-SUBARCH := $(shell echo $(CROSS_COMPILE) | cut -d- -f1)
+SUBARCH := $(shell echo $(CROSS_COMPILE) | cut -d- -f1 | sed 's:^.*/::g')
 else
 SUBARCH := $(shell uname -m)
 endif
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
new file mode 100644
index 000000000..0b1c56cb5
--- /dev/null
+++ b/arch/sparc/Makefile
@@ -0,0 +1,11 @@
+# When building a library, even intra-library references,
+# such as from find_applet_by_name() to applet_names[],
+# don't work with -fpic on sparc, needs -fPIC.
+# Don't know why it fails in this case but works when
+# a binary is being built.
+#
+# (if is superfluous, ARCH_FPIC is only used by library build, but it
+# demonstrates the point: non-pic binary does not need it)
+ifeq ($(CONFIG_BUILD_LIBBUSYBOX),y)
+ARCH_FPIC = -fPIC
+endif
diff --git a/arch/sparc64/Makefile b/arch/sparc64/Makefile
new file mode 100644
index 000000000..0b1c56cb5
--- /dev/null
+++ b/arch/sparc64/Makefile
@@ -0,0 +1,11 @@
+# When building a library, even intra-library references,
+# such as from find_applet_by_name() to applet_names[],
+# don't work with -fpic on sparc, needs -fPIC.
+# Don't know why it fails in this case but works when
+# a binary is being built.
+#
+# (if is superfluous, ARCH_FPIC is only used by library build, but it
+# demonstrates the point: non-pic binary does not need it)
+ifeq ($(CONFIG_BUILD_LIBBUSYBOX),y)
+ARCH_FPIC = -fPIC
+endif