[bug#53833] [PATCH] gnu: patches: Add qbe-makefile-add-target.patch.

[(unmatched-parenthesis]

* gnu/packages/patches/qbe-makefile-add-target.patch: New variable.

Signed-off-by: (unmatched-parenthesis <paren@disroot.org>
---
 .../patches/qbe-makefile-add-target.patch     | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 gnu/packages/patches/qbe-makefile-add-target.patch

diff --git a/gnu/packages/patches/qbe-makefile-add-target.patch 
b/gnu/packages/patches/qbe-makefile-add-target.patch
new file mode 100644
index 0000000000..e87559c3fa
--- /dev/null
+++ b/gnu/packages/patches/qbe-makefile-add-target.patch
@@ -0,0 +1,56 @@
+This patch modifies the QBE makefile to add a TARGET variable that allows us 
to support
+cross-compiling it. We modify the case...esac in the config.h target to use 
this variable
+instead of TARGET.
+--- a/Makefile
++++ b/Makefile
+@@ -17,6 +17,8 @@ OBJ      = $(SRC:%.c=$(OBJDIR)/%.o) $(AMD64OBJ) $(ARM64OBJ) 
$(RV64OBJ)
+ 
+ CFLAGS += -Wall -Wextra -std=c99 -g -pedantic
+ 
++TARGET = unknown
++
+ $(OBJDIR)/$(BIN): $(OBJ) $(OBJDIR)/timestamp
+       @test -z "$(V)" || echo "ld $@"
+       $(V)$(CC) $(LDFLAGS) $(OBJ) -o $@
+@@ -39,26 +41,21 @@ $(RV64OBJ): rv64/all.h
+ $(OBJDIR)/main.o: config.h
+ 
+ config.h:
+-      @case `uname` in                               \
+-      *Darwin*)                                      \
+-              echo "#define Defasm Gasmacho";        \
+-              echo "#define Deftgt T_amd64_sysv";    \
+-              ;;                                     \
+-      *)                                             \
+-              echo "#define Defasm Gaself";          \
+-              case `uname -m` in                     \
+-              *aarch64*)                             \
+-                      echo "#define Deftgt T_arm64"; \
+-                      ;;                             \
+-              *riscv64*)                             \
+-                      echo "#define Deftgt T_rv64";  \
+-                      ;;                             \
+-              *)                                     \
+-                      echo "#define Deftgt T_amd64_sysv";\
+-                      ;;                             \
+-              esac                                   \
+-              ;;                                     \
+-      esac > $@
++      @echo "#define Defasm Gaself" >> $@
++      @case $(TARGET) in \
++      *x86_64*) \
++              echo "#define Deftgt T_amd64_sysv"; \
++              ;; \
++      *aarch64*) \
++              echo "#define Deftgt T_arm64"; \
++              ;; \
++      *riscv64*) \
++              echo "#define Deftgt T_rv64"; \
++              ;; \
++      *) \
++              echo "#error target not set to x86_64, aarch64, or riscv64 in 
makefile"; \
++              ;; \
++      esac >> $@
+ 
+ install: $(OBJDIR)/$(BIN)
+       mkdir -p "$(DESTDIR)/$(PREFIX)/bin/"
-- 
2.36.0