Drop libevent

docker/alpine.Dockerfile

@@ -5,7 +5,7 @@ ARG llvm_version=20
 RUN \
   apk add --update --no-cache --force-overwrite \
     # core dependencies
-    gcc gmp-dev libevent-static musl-dev pcre-dev pcre2-dev pcre2-static \
+    gcc gmp-dev musl-dev pcre-dev pcre2-dev pcre2-static \
     # stdlib dependencies
     gc-dev gc-static libxml2-dev libxml2-static openssl-dev openssl-libs-static tzdata yaml-static zlib-static xz-static \
     # dev tools
@@ -28,6 +28,6 @@ FROM runtime as build
 RUN \
   apk add --update --no-cache --force-overwrite \
     llvm${llvm_version}-dev llvm${llvm_version}-static \
-    g++ libffi-dev
+    libevent-static g++ libffi-dev
 
 CMD ["/bin/sh"]

docker/ubuntu.Dockerfile

@@ -8,7 +8,7 @@ RUN \
   apt-get update && \
   DEBIAN_FRONTEND=noninteractive \
   apt-get install -y tzdata gcc pkg-config libssl-dev libxml2-dev libyaml-dev libgmp-dev git make \
-                     libpcre3-dev libpcre2-dev libevent-dev libz-dev libgc-dev && \
+                     libpcre3-dev libpcre2-dev libz-dev libgc-dev && \
   apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 ARG crystal_targz
@@ -24,7 +24,7 @@ FROM runtime as build
 
 RUN \
   apt-get update && \
-  apt-get install -y build-essential llvm-${llvm_version} lld-${llvm_version} libedit-dev gdb libffi-dev && \
+  apt-get install -y build-essential llvm-${llvm_version} lld-${llvm_version} libedit-dev libevent-dev gdb libffi-dev && \
   apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 RUN ln -sf /usr/bin/ld.lld-${llvm_version} /usr/bin/ld.lld

linux/Dockerfile

@@ -25,7 +25,7 @@ RUN apk add --no-cache \
       # Statically-compiled llvm
       llvm${llvm_version}-dev llvm${llvm_version}-static \
       # Static stdlib dependencies
-      gc-dev gc-static zlib-static yaml-static libxml2-static pcre2-dev pcre2-static libevent-static zstd-static \
+      gc-dev gc-static zlib-static yaml-static libxml2-static pcre2-dev pcre2-static zstd-static \
       # Static compiler dependencies
       libffi-dev \
       # Build tools

linux/Makefile

@@ -24,7 +24,6 @@ PREVIOUS_CRYSTAL_RELEASE_LINUX64_TARGZ ?= https://github.com/crystal-lang/crysta
 SHARDS_VERSION = v0.19.1
 GC_VERSION = v8.2.8
 LIBPCRE2_VERSION = 10.44
-LIBEVENT_VERSION = release-2.1.12-stable
 
 OUTPUT_DIR = build
 OUTPUT_BASENAME64 = $(OUTPUT_DIR)/crystal-$(CRYSTAL_VERSION)-$(PACKAGE_ITERATION)-linux-x86_64
@@ -46,8 +45,7 @@ BUILD_ARGS64 = $(BUILD_ARGS_COMMON) \
                --build-arg gnu_target=x86_64-unknown-linux-gnu
 
 BUILD_ARGS64_BUNDLED = $(BUILD_ARGS64) \
-               --build-arg libpcre2_version=$(LIBPCRE2_VERSION) \
-               --build-arg libevent_version=$(LIBEVENT_VERSION)
+               --build-arg libpcre2_version=$(LIBPCRE2_VERSION)
 
 .PHONY: all
 all: all64 ## Build all distribution tarballs [default]

linux/bundled.dockerfile

@@ -13,28 +13,15 @@ RUN curl -L https://github.com/PCRE2Project/pcre2/releases/download/pcre2-${libp
  && ./configure --disable-shared --disable-cpp --enable-jit --enable-utf --enable-unicode-properties \
  && make -j$(nproc)
 
-# build libevent
-
-FROM debian AS libevent
-ARG libevent_version
-RUN git clone https://github.com/libevent/libevent \
- && cd libevent \
- && git checkout ${libevent_version} \
- && ./autogen.sh \
- && ./configure --disable-shared --disable-openssl \
- && make -j$(nproc)
-
 FROM debian
 ARG crystal_version
 ARG package_iteration
 ARG libpcre2_version
-ARG libevent_version
 
 RUN mkdir -p /output/lib/crystal/lib/
 
 # Copy libraries
 COPY --from=libpcre2 pcre2-${libpcre2_version}/.libs/libpcre2-8.a /output/lib/crystal/
-COPY --from=libevent libevent/.libs/libevent.a libevent/.libs/libevent_pthreads.a /output/lib/crystal/
 
 # Create tarball
 RUN mv /output /crystal-${crystal_version}-${package_iteration} \

omnibus/config/software/crystal.rb

@@ -16,7 +16,6 @@
 dependency "pcre2"
 dependency "bdw-gc"
 dependency "llvm_bin" unless FIRST_RUN
-dependency "libevent"
 dependency "libffi"
 
 env = with_standard_compiler_flags(with_embedded_path(

snapcraft/README.md

@@ -44,7 +44,7 @@ The following are the suggested packages to be able to use the whole standard li
 
 ```
 $ sudo apt-get install gcc pkg-config git tzdata \
-                       libpcre2-dev libevent-dev libyaml-dev \
+                       libpcre2-dev libyaml-dev \
                        libgmp-dev libssl-dev libxml2-dev
 ```
 

snapcraft/crystal-snap-wrapper

@@ -14,7 +14,7 @@ if [ ! -f $SNAP_USER_COMMON/env-check-success ]; then
   The following are the suggested packages to be able to use the whole standard library capabilities.
 
     $ sudo apt-get install gcc pkg-config git tzdata \\
-                           libpcre2-dev libevent-dev libyaml-dev \\
+                           libpcre2-dev libyaml-dev \\
                            libgmp-dev libssl-dev libxml2-dev
 
   You can find more detailed information in: