Drop support for old pcre

pcre2 has been the default for a long time now

alpine/Dockerfile

@@ -16,21 +16,21 @@ ARG crystal_version=1.9.1
 RUN git clone --depth=1 --single-branch --branch=$crystal_version https://github.com/crystal-lang/crystal.git . && \
   gzip -9 man/crystal.1 && \
   mkdir .build && \
-  make crystal static=1 release=1 target=$TARGETARCH-alpine-linux-musl PREFIX=/usr FLAGS="--no-debug -Duse_pcre2" | tail -1 > .build/crystal.sh && \
+  make crystal static=1 release=1 target=$TARGETARCH-alpine-linux-musl PREFIX=/usr FLAGS="--no-debug" | tail -1 > .build/crystal.sh && \
   rm src/llvm/ext/llvm_ext.o
 # Build shards
 WORKDIR /usr/src/shards
 ARG shards_version=0.17.2
 RUN git clone --depth=1 --single-branch --branch=v${shards_version} https://github.com/crystal-lang/shards.git . && \
   gzip -9 man/shards.1 man/shard.yml.5 && \
-  make bin/shards static=1 release=1 FLAGS="--no-debug --cross-compile --target=$TARGETARCH-alpine-linux-musl -Duse_pcre2" | tail -1 > bin/shards.sh
+  make bin/shards static=1 release=1 FLAGS="--no-debug --cross-compile --target=$TARGETARCH-alpine-linux-musl" | tail -1 > bin/shards.sh
 
 # link on target platform
 FROM alpine:$alpine_version AS target-builder
 ARG llvm_version=16
 RUN apk add --update --no-cache \
     llvm${llvm_version}-dev llvm${llvm_version}-static \
-    zstd-static zlib-static yaml-static libxml2-static pcre-dev pcre2-dev libevent-static \
+    zstd-static zlib-static yaml-static libxml2-static pcre2-dev libevent-static \
     libffi-dev git g++ make automake libtool autoconf curl
 # Build libgc
 WORKDIR /usr/src/libc
@@ -55,7 +55,7 @@ RUN sh -ex bin/shards.sh && strip bin/shards
 # start from a clean image
 FROM alpine:$alpine_version
 # add dependencies commonly required for building crystal applications
-RUN apk add --update --no-cache musl-dev gcc pcre-dev pcre2-dev libevent-dev libevent-static openssl-dev openssl-libs-static libxml2-dev zlib-dev zlib-static git make yaml-dev libxml2-static gmp-dev
+RUN apk add --update --no-cache musl-dev gcc pcre2-dev libevent-dev libevent-static openssl-dev openssl-libs-static libxml2-dev zlib-dev zlib-static git make yaml-dev libxml2-static gmp-dev
 # copy the binaries + stdlib + libgc from the build stage
 COPY --from=builder /usr/src/crystal/*.md /usr/share/doc/crystal/
 COPY --from=builder /usr/src/crystal/man/crystal.1.gz /usr/share/man/man1/

centos/Dockerfile

@@ -30,14 +30,14 @@ RUN git clone --depth=1 --single-branch --branch=$crystal_version https://github
   gzip -9 man/crystal.1 && \
   mkdir .build && \
   make crystal interpreter=1 release=1 target=$TARGETARCH-unknown-linux-gnu \
-    PREFIX=/usr FLAGS="--no-debug -Duse_pcre2" CRYSTAL_CONFIG_LIBRARY_PATH=/usr/lib64/crystal | tail -1 > .build/crystal.sh && \
+    PREFIX=/usr FLAGS="--no-debug" CRYSTAL_CONFIG_LIBRARY_PATH=/usr/lib64/crystal | tail -1 > .build/crystal.sh && \
   rm src/llvm/ext/llvm_ext.o
 # Build shards
 WORKDIR /tmp/shards
 ARG shards_version=0.17.2
 RUN git clone --depth=1 --single-branch --branch=v${shards_version} https://github.com/crystal-lang/shards.git . && \
   gzip -9 man/shards.1 man/shard.yml.5 && \
-  make bin/shards FLAGS="--release --no-debug --cross-compile --target=$TARGETARCH-unknown-linux-gnu -Duse_pcre2" | tail -1 > bin/shards.sh
+  make bin/shards FLAGS="--release --no-debug --cross-compile --target=$TARGETARCH-unknown-linux-gnu" | tail -1 > bin/shards.sh
 
 # link on target platform
 FROM $base_image:$base_image_tag AS target-builder
@@ -90,7 +90,7 @@ RUN fpm -s dir -t rpm -n crystal -v $(sed 's/-/~/' pkg/usr/share/crystal/src/VER
   --url https://crystal-lang.org --maintainer "84codes <[email protected]>" \
   --description "a general-purpose, object-oriented programming language" \
   --depends gcc --depends pkgconfig --depends libevent-devel \
-  --depends pcre-devel --depends pcre2-devel \
+  --depends pcre2-devel \
   --depends gmp-devel --depends openssl-devel --depends libxml2-devel \
   --depends libyaml-devel --depends zlib-devel \
   --depends llvm${llvm_version}-libs --depends libffi \

debian-static/Dockerfile

@@ -49,7 +49,7 @@ RUN fpm -s dir -t deb -n crystal -v $(cat pkg/usr/share/crystal/src/VERSION) --i
   --url https://crystal-lang.org --maintainer "84codes <[email protected]>" \
   --description "a general-purpose, object-oriented programming language" \
   --depends gcc --depends pkg-config --depends libevent-dev \
-  --depends libpcre2-dev --depends libpcre3-dev \
+  --depends libpcre2-dev \
   --depends libz-dev \
   --deb-recommends libssl-dev --deb-recommends libxml2-dev \
   --deb-recommends libgmp-dev --deb-recommends libyaml-dev \

debian/Dockerfile

@@ -26,15 +26,15 @@ ARG crystal_version
 RUN git clone --depth=1 --single-branch --branch=$crystal_version https://github.com/crystal-lang/crystal.git . && \
   gzip -9 man/crystal.1 && \
   mkdir .build && \
-  make crystal interpreter=1 release=1 target=$TARGETARCH-unknown-linux-gnu PREFIX=/usr FLAGS="--no-debug -Duse_pcre2" \
+  make crystal interpreter=1 release=1 target=$TARGETARCH-unknown-linux-gnu PREFIX=/usr FLAGS="--no-debug" \
   CRYSTAL_CONFIG_LIBRARY_PATH=/usr/lib/crystal | tail -1 > .build/crystal.sh && \
   rm src/llvm/ext/llvm_ext.o
 # Build shards
 WORKDIR /tmp/shards
 ARG shards_version=0.17.3
 RUN git clone --depth=1 --single-branch --branch=v${shards_version} https://github.com/crystal-lang/shards.git . && \
   gzip -9 man/shards.1 man/shard.yml.5 && \
-  make bin/shards FLAGS="--release --no-debug --cross-compile --target=$TARGETARCH-unknown-linux-gnu -Duse_pcre2" | tail -1 > bin/shards.sh
+  make bin/shards FLAGS="--release --no-debug --cross-compile --target=$TARGETARCH-unknown-linux-gnu" | tail -1 > bin/shards.sh
 
 # link on target platform
 FROM $base_image:$codename AS target-builder
@@ -89,7 +89,7 @@ RUN fpm -s dir -t deb -n crystal -v $(cat pkg/usr/share/crystal/src/VERSION) --i
   --url https://crystal-lang.org --maintainer "84codes <[email protected]>" \
   --description "a general-purpose, object-oriented programming language" \
   --depends gcc --depends pkg-config --depends libevent-dev \
-  --depends libpcre2-dev --depends libpcre3-dev \
+  --depends libpcre2-dev \
   --depends llvm-$llvm_version --depends libz-dev --depends libffi-dev \
   --deb-recommends libssl-dev --deb-recommends libxml2-dev \
   --deb-recommends libgmp-dev --deb-recommends libyaml-dev \

fedora/Dockerfile

@@ -29,15 +29,15 @@ ARG crystal_version
 RUN git clone --depth=1 --single-branch --branch=$crystal_version https://github.com/crystal-lang/crystal.git . && \
   gzip -9 man/crystal.1 && \
   mkdir .build && \
-  make crystal interpreter=1 release=1 target=$TARGETARCH-unknown-linux-gnu \
-    PREFIX=/usr FLAGS="--no-debug -Duse_pcre2" CRYSTAL_CONFIG_LIBRARY_PATH=/usr/lib64/crystal | tail -1 > .build/crystal.sh && \
+  make crystal interpreter=1 target=$TARGETARCH-unknown-linux-gnu \
+    PREFIX=/usr FLAGS="--no-debug" CRYSTAL_CONFIG_LIBRARY_PATH=/usr/lib64/crystal | tail -1 > .build/crystal.sh && \
   rm src/llvm/ext/llvm_ext.o
 # Build shards
 WORKDIR /usr/src/shards
 ARG shards_version=0.17.2
 RUN git clone --depth=1 --single-branch --branch=v${shards_version} https://github.com/crystal-lang/shards.git . && \
   gzip -9 man/shards.1 man/shard.yml.5 && \
-  make bin/shards FLAGS="--release --no-debug --cross-compile --target=$TARGETARCH-unknown-linux-gnu -Duse_pcre2" | tail -1 > bin/shards.sh
+  make bin/shards FLAGS="--no-debug --cross-compile --target=$TARGETARCH-unknown-linux-gnu" | tail -1 > bin/shards.sh
 
 # link on target platform
 FROM $base_image:$base_image_tag AS target-builder
@@ -90,7 +90,7 @@ RUN fpm -s dir -t rpm -n crystal -v $(sed 's/-/~/' pkg/usr/share/crystal/src/VER
   --url https://crystal-lang.org --maintainer "84codes <[email protected]>" \
   --description "a general-purpose, object-oriented programming language" \
   --depends gcc --depends pkgconfig --depends libevent-devel \
-  --depends pcre-devel --depends pcre2-devel \
+  --depends pcre2-devel \
   --depends gmp-devel --depends openssl-devel --depends libxml2-devel \
   --depends libyaml-devel --depends zlib-devel \
   --depends llvm${llvm_version}-libs --depends libffi \

pkgs/Dockerfile

@@ -31,14 +31,14 @@ ARG pkg_revision=1
 RUN fpm -s dir -t deb -n crystal -v ${crystal_version} --iteration ${pkg_revision} -a native \
   --url https://crystal-lang.org --maintainer "84codes <[email protected]>" \
   --description "a general-purpose, object-oriented programming language" \
-  --depends gcc --depends libpcre2-dev --depends libpcre3-dev --depends pkg-config --depends libevent-dev \
+  --depends gcc --depends libpcre2-dev --depends pkg-config --depends libevent-dev \
   --deb-recommends libssl-dev --deb-recommends libz-dev --deb-recommends libxml2-dev \
   --deb-recommends libgmp-dev --deb-recommends libyaml-dev --deb-recommends git \
   --license "Apache 2.0" --chdir pkg .
 RUN fpm -s dir -t rpm -n crystal -v ${crystal_version} --iteration ${pkg_revision} -a native \
   --url https://crystal-lang.org --maintainer "84codes <[email protected]>" \
   --description "a general-purpose, object-oriented programming language" \
-  --depends gcc --depends pcre-devel --depends pcre2-devel --depends pkgconfig --depends libevent-devel \
+  --depends gcc --depends pcre2-devel --depends pkgconfig --depends libevent-devel \
   --depends gmp-devel --depends openssl-devel --depends libxml2-devel \
   --depends libyaml-devel --depends zlib-devel \
   --license "ASL 2.0" --chdir pkg .