drop support

.github/workflows/linux.yml

@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        llvm-version: [11, 13, 14, 15]
+        llvm-version: [14, 15]
         # Testing all levels because there was a bug that only happened with -O1. (#224)
         opt-level: ['-O0', '-O1', '-O2', '-O3']
     steps:
@@ -70,11 +70,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - run: sudo apt update
-      - run: sudo apt install -y llvm-{11,13,14,15}-dev clang-{11,13,14,15} make
-      - run: LLVM_CONFIG=llvm-config-11 ./doctest.sh
-      - run: make clean
-      - run: LLVM_CONFIG=llvm-config-13 ./doctest.sh
-      - run: make clean
+      - run: sudo apt install -y llvm-{14,15}-dev clang-{14,15} make
       - run: LLVM_CONFIG=llvm-config-14 ./doctest.sh
       - run: make clean
       - run: LLVM_CONFIG=llvm-config-15 ./doctest.sh

.github/workflows/valgrind.yml

@@ -12,7 +12,7 @@ jobs:
     timeout-minutes: 60
     strategy:
       matrix:
-        llvm-version: [11, 13, 14, 15]
+        llvm-version: [14, 15]
         # Testing all levels because there was a bug that only happened with -O1. (#224)
         opt-level: ['-O0', '-O1', '-O2', '-O3']
       fail-fast: false

Makefile.posix

@@ -8,12 +8,6 @@ LLVM_CONFIG ?= $(shell \
 	|| which llvm-config-14 \
 	|| which /usr/local/opt/llvm@14/bin/llvm-config \
 	|| which /opt/homebrew/opt/llvm@14/bin/llvm-config \
-	|| which llvm-config-13 \
-	|| which /usr/local/opt/llvm@13/bin/llvm-config \
-	|| which /opt/homebrew/opt/llvm@13/bin/llvm-config \
-	|| which llvm-config-11 \
-	|| which /usr/local/opt/llvm@11/bin/llvm-config \
-	|| which /opt/homebrew/opt/llvm@11/bin/llvm-config \
 	|| which /usr/pkg/libexec/libLLVM/llvm-config \
 	)
 CFLAGS += $(shell $(LLVM_CONFIG) --cflags)
@@ -39,7 +33,7 @@ config.h:
 	echo "#define JOU_CLANG_PATH \"$(CC)\"" >> config.h
 
 config.jou:
-	@v=`$(LLVM_CONFIG) --version`; case "$$v" in 11.*|13.*|14.*|15.*) ;; *) echo "Error: Found unsupported LLVM version $$v. Only LLVM 11, 13, 14 and 15 are supported."; exit 1; esac
+	@v=`$(LLVM_CONFIG) --version`; case "$$v" in 14.*|15.*) ;; *) echo "Error: Found unsupported LLVM version $$v. Only LLVM 14 and 15 are supported."; exit 1; esac
 	echo "# auto-generated by Makefile" > config.jou
 	echo "def get_jou_clang_path() -> byte*:" >> config.jou
 	echo "    return \"$(CC)\"" >> config.jou

README.md

@@ -119,8 +119,6 @@ The instructions for developing Jou are in [CONTRIBUTING.md](CONTRIBUTING.md).
     so you need to use a full path (or `$HOME`) instead.
 
 These LLVM/clang versions are supported:
-- LLVM 11 with clang 11
-- LLVM 13 with clang 13
 - LLVM 14 with clang 14
 - LLVM 15 with clang 15