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-rw-r--r--Makefile9
1 files changed, 6 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 26f978f..9ad9d95 100644
--- a/Makefile
+++ b/Makefile
@@ -37,9 +37,6 @@ ifeq ($(WARNERROR), yes)
CFLAGS += -Werror
endif
-# Determine the destination processor architecture
-override ARCH := $(strip $(shell LC_ALL=C $(CC) -E arch.h|grep -v '^\#'))
-
# FIXME We have to differentiate between host and target OS architecture.
OS_ARCH ?= $(shell uname)
ifneq ($(OS_ARCH), SunOS)
@@ -202,6 +199,12 @@ override CONFIG_FT2232_SPI = no
endif
endif
+# Determine the destination processor architecture.
+# IMPORTANT: The following line must be placed before ARCH is ever used
+# (of course), but should come after any lines setting CC because the line
+# below uses CC itself. In some cases we set CC based on OS_ARCH, see above.
+override ARCH := $(strip $(shell LC_ALL=C $(CC) -E arch.h 2>/dev/null | grep -v '^\#'))
+
ifeq ($(ARCH), "ppc")
# There's no PCI port I/O support on PPC/PowerPC, yet.
ifeq ($(CONFIG_NIC3COM), yes)
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