From 2606266c3faa852d74ec4d0873b60e07b18e5705 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jeremy@system76.com>
Date: Sat, 11 May 2019 10:05:38 -0600
Subject: [PATCH] If the prefix is recompiled, clzsi2 does not have to be
 removed.

---
 Makefile | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/Makefile b/Makefile
index 11cf31d5..55de5865 100644
--- a/Makefile
+++ b/Makefile
@@ -97,18 +97,13 @@ $(BUILD)/debug/libc.a: $(BUILD)/debug/librelibc.a $(BUILD)/pthreads-emb/libpthre
 	echo "end" >> "$@.mri"
 	ar -M < "$@.mri"
 
-$(BUILD)/debug/libc.so: $(BUILD)/debug/librelibc.patched.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a
+$(BUILD)/debug/libc.so: $(BUILD)/debug/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a
 	$(CC) -nostdlib -shared -Wl,--whole-archive $^ -Wl,--no-whole-archive -o $@
 
 $(BUILD)/debug/librelibc.a: $(SRC)
 	CARGO_INCREMENTAL=0 $(CARGO) rustc $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS)
 	touch $@
 
-$(BUILD)/debug/librelibc.patched.a: $(BUILD)/debug/librelibc.a
-	# Patch out clzsi2.o from libgcc
-	cp $< $@
-	ar d $@ clzsi2.o
-
 $(BUILD)/debug/crt0.o: $(SRC)
 	CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
 	touch $@
@@ -139,18 +134,13 @@ $(BUILD)/release/libc.a: $(BUILD)/release/librelibc.a $(BUILD)/pthreads-emb/libp
 	echo "end" >> "$@.mri"
 	ar -M < "$@.mri"
 
-$(BUILD)/release/libc.so: $(BUILD)/release/librelibc.patched.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a
+$(BUILD)/release/libc.so: $(BUILD)/release/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a
 	$(CC) -nostdlib -shared -Wl,--whole-archive $^ -Wl,--no-whole-archive -o $@
 
 $(BUILD)/release/librelibc.a: $(SRC)
 	CARGO_INCREMENTAL=0 $(CARGO) rustc --release $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS)
 	touch $@
 
-$(BUILD)/release/librelibc.patched.a: $(BUILD)/release/librelibc.a
-	# Patch out clzsi2.o from libgcc
-	cp $< $@
-	ar d $@ clzsi2.o
-
 $(BUILD)/release/crt0.o: $(SRC)
 	CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
 	touch $@
-- 
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