Build compiler with PCRE2 (crystal-lang#224)

Author: straight-shoota

linux/Dockerfile

@@ -1,7 +1,7 @@
 FROM debian:11 AS debian
 
 RUN apt-get update \
- && apt-get install -y build-essential libevent-dev libpcre3-dev automake libtool pkg-config git curl llvm-13 clang-13 \
+ && apt-get install -y build-essential libevent-dev libpcre2-dev automake libtool pkg-config git curl llvm-13 clang-13 \
  && (pkg-config || true)
 
 ARG release
@@ -25,7 +25,7 @@ RUN apk add --no-cache \
       # Statically-compiled llvm
       llvm13-dev llvm13-static \
       # Static stdlib dependencies
-      zlib-static yaml-static libxml2-dev pcre-dev libevent-static \
+      zlib-static yaml-static libxml2-dev pcre2-dev libevent-static \
       # Static compiler dependencies
       libffi-dev \
       # Build tools

omnibus/config/software/crystal.rb

@@ -13,7 +13,7 @@
   source git: CRYSTAL_SRC
 end
 
-dependency "pcre"
+dependency "pcre2"
 dependency "bdw-gc"
 dependency "llvm_bin" unless FIRST_RUN
 dependency "libevent"
@@ -75,7 +75,7 @@
 
   make "crystal stats=true release=true target=aarch64-apple-darwin FLAGS=\"#{crflags}\" CRYSTAL_CONFIG_TARGET=aarch64-apple-darwin CRYSTAL_CONFIG_LIBRARY_PATH= O=#{output_path}", env: env
 
-  command "clang #{output_path}/crystal.o -o #{output_bin}_arm64 -target arm64-apple-darwin src/llvm/ext/llvm_ext.o `llvm-config --libs --system-libs --ldflags 2>/dev/null` -lstdc++ -lpcre -lgc -lpthread -levent -liconv -ldl -v", env: env
+  command "clang #{output_path}/crystal.o -o #{output_bin}_arm64 -target arm64-apple-darwin src/llvm/ext/llvm_ext.o `llvm-config --libs --system-libs --ldflags 2>/dev/null` -lstdc++ -lpcre2-8 -lgc -lpthread -levent -liconv -ldl -v", env: env
   delete "#{output_path}/crystal.o"
 
   # Lipo them up

omnibus/config/software/pcre.rb renamed to omnibus/config/software/pcre2.rb

@@ -14,14 +14,14 @@
 # limitations under the License.
 #
 
-name "pcre"
-default_version "8.40"
+name "pcre2"
+default_version "10.42"
 skip_transitive_dependency_licensing true
 
-source url: "https://ftp.exim.org/pub/pcre/pcre-#{version}.tar.gz",
-       md5: "890c808122bd90f398e6bc40ec862102"
+source url: "https://github.com/PCRE2Project/pcre2/releases/download/pcre2-#{version}/pcre2-#{version}.tar.gz",
+       md5: "37d2f77cfd411a3ddf1c64e1d72e43f7"
 
-relative_path "pcre-#{version}"
+relative_path "pcre2-#{version}"
 
 build do
   env = with_standard_compiler_flags(with_embedded_path)
@@ -30,9 +30,12 @@
 
   command "./configure" \
           " --prefix=#{install_dir}/embedded" \
+          " --disable-cpp" \
           " --disable-shared" \
           " --enable-unicode-properties" \
-          " --enable-utf8", env: env
+          " --enable-utf", env: env
+          # TODO: Enable JIT (Error: "Must target Big Sur or newer")
+          # " --enable-jit" \
 
   make "-j #{workers}", env: env
   make "install", env: env

omnibus/config/software/shards.rb

@@ -86,7 +86,7 @@
   # Build for ARM64
   crflags += " --cross-compile --target aarch64-apple-darwin"
   make "bin/shards SHARDS=false CRYSTAL=#{install_dir}/bin/crystal FLAGS='#{crflags}'", env: env
-  command "clang bin/shards.o -o bin/shards_arm64 -target arm64-apple-darwin -L#{install_dir}/embedded/lib -lyaml -lpcre -lgc -lpthread -levent -liconv -ldl", env: env
+  command "clang bin/shards.o -o bin/shards_arm64 -target arm64-apple-darwin -L#{install_dir}/embedded/lib -lyaml -lpcre2-8 -lgc -lpthread -levent -liconv -ldl", env: env
 
   # Lipo them up
   command "lipo -create -output bin/shards bin/shards_x86_64 bin/shards_arm64"