From 15e8781a74caa1e9303bcc312f96c0c78e48e435 Mon Sep 17 00:00:00 2001
From: Filip Leonarski <filip.leonarski@psi.ch>
Date: Wed, 8 Apr 2026 12:39:50 +0200
Subject: [PATCH] Use CMake to build the plugin and HDF5 (internally)

---
 CMakeLists.txt | 53 +++++++++++++++++++++++++++++++++++++++++++++++
 Dockerfile     | 36 ++++++++++++++++++++++++++++++++
 Makefile       | 56 --------------------------------------------------
 3 files changed, 89 insertions(+), 56 deletions(-)
 create mode 100644 CMakeLists.txt
 create mode 100644 Dockerfile
 delete mode 100644 Makefile

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..74298f3
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,53 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 3.19)
+
+PROJECT(durin VERSION 1.0.0 LANGUAGES C)
+
+include(FetchContent)
+
+SET(CMAKE_C_FLAGS_RELEASE "-O3")
+
+SET(CMAKE_C_STANDARD 99)
+SET(CMAKE_C_STANDARD_REQUIRED ON)
+SET(CMAKE_C_EXTENSIONS OFF)
+
+SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+SET(BUILD_SHARED_LIBS OFF)
+
+set(HDF5_USE_STATIC_LIBRARIES TRUE)
+
+SET(HDF5_BUILD_HL_LIB OFF)
+
+SET(HDF5_ENABLE_THREADSAFE ON)
+SET(HDF5_ENABLE_SZIP_SUPPORT OFF)
+SET(HDF5_ENABLE_SZIP_ENCODING OFF)
+SET(HDF5_BUILD_EXAMPLES OFF)
+SET(HDF5_BUILD_CPP_LIB OFF)
+SET(HDF5_ENABLE_Z_LIB_SUPPORT OFF)
+SET(HDF5_EXTERNALLY_CONFIGURED 1)
+
+INCLUDE_DIRECTORIES(bslz4/src)
+
+FetchContent_Declare(hdf5
+        URL https://github.com/HDFGroup/hdf5/releases/download/hdf5_1.14.6/hdf5-1.14.6.tar.gz
+        DOWNLOAD_EXTRACT_TIMESTAMP FALSE
+        EXCLUDE_FROM_ALL)
+
+FetchContent_MakeAvailable(hdf5)
+
+ADD_LIBRARY(durin-plugin SHARED
+        src/plugin.c src/plugin.h
+        src/err.c src/err.h
+        src/filters.c src/filters.h
+        src/file.c src/file.h bslz4/src/bitshuffle.c bslz4/src/bitshuffle.h
+        bslz4/src/bitshuffle_core.c bslz4/src/bitshuffle_core.h
+        bslz4/src/bitshuffle_internals.h
+        bslz4/src/bshuf_h5filter.c bslz4/src/bshuf_h5filter.h
+        bslz4/src/iochain.c bslz4/src/iochain.h
+        bslz4/src/lz4.c bslz4/src/lz4.h)
+
+TARGET_COMPILE_DEFINITIONS(durin-plugin PRIVATE
+        H5_USE_110_API
+        USE_BITSHUFFLE)
+
+TARGET_LINK_LIBRARIES(durin-plugin PRIVATE hdf5-static)
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..dc4d93d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,36 @@
+FROM registry.access.redhat.com/ubi7/ubi
+
+ARG HDF5_TAG="hdf5_1.14.6"
+
+LABEL authors="Filip Leonarski"
+
+ARG CMAKE_VERSION=3.31.6
+
+RUN yum -y update && \
+    yum -y install \
+        gcc \
+        gcc-c++ \
+        git \
+        make \
+        tar \
+        gzip \
+        curl && \
+    yum clean all
+
+RUN set -eux; \
+    arch="$(uname -m)"; \
+    case "$arch" in \
+      x86_64) cmake_arch="x86_64" ;; \
+      aarch64) cmake_arch="aarch64" ;; \
+      *) echo "Unsupported architecture: $arch"; exit 1 ;; \
+    esac; \
+    curl -L "https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-linux-${cmake_arch}.tar.gz" \
+      -o /tmp/cmake.tar.gz; \
+    tar -xzf /tmp/cmake.tar.gz -C /opt; \
+    ln -s "/opt/cmake-${CMAKE_VERSION}-linux-${cmake_arch}/bin/cmake" /usr/local/bin/cmake; \
+    ln -s "/opt/cmake-${CMAKE_VERSION}-linux-${cmake_arch}/bin/ctest" /usr/local/bin/ctest; \
+    ln -s "/opt/cmake-${CMAKE_VERSION}-linux-${cmake_arch}/bin/cpack" /usr/local/bin/cpack; \
+    rm -f /tmp/cmake.tar.gz
+
+# Default entrypoint prints tool versions and hints.
+CMD ["/bin/bash", "-l"]
\ No newline at end of file
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 0dead47..0000000
--- a/Makefile
+++ /dev/null
@@ -1,56 +0,0 @@
-BUILD_DIR ?= ./build
-SRC_DIR = ./src
-TEST_DIR = ./test
-INC_DIR = $(SRC_DIR)
-
-BSLZ4_SRC_DIR = ./bslz4/src
-BSLZ4_BUILD_DIR = ./bslz4/build
-BSLZ4_INC_DIR = $(BSLZ4_SRC_DIR)
-
-CC=h5cc
-# -std=gnu99 provides for strtok_r
-CFLAGS=-DH5_USE_110_API -Wall -g -O2 -fpic -I$(INC_DIR) -I$(BSLZ4_INC_DIR) -std=gnu99 -shlib -DUSE_BITSHUFFLE
-
-.PHONY: plugin
-plugin: $(BUILD_DIR)/durin-plugin.so
-
-.PHONY: all
-all: plugin example test_plugin
-
-.PHONY: example
-example: $(BUILD_DIR)/example
-
-.PHONY: test_plugin
-test_plugin: $(BUILD_DIR)/test_plugin
-
-$(BUILD_DIR)/test_plugin: $(TEST_DIR)/generic_data_plugin.f90 $(TEST_DIR)/test_generic_host.f90
-	mkdir -p $(BUILD_DIR)
-	gfortran -O -g -fopenmp -ldl $(TEST_DIR)/generic_data_plugin.f90 $(TEST_DIR)/test_generic_host.f90 -o $@ -J$(BUILD_DIR)
-
-$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c
-	mkdir -p $(BUILD_DIR)
-	$(CC) $(CFLAGS) -c $< -o $@
-
-$(BSLZ4_BUILD_DIR)/%.o: $(BSLZ4_SRC_DIR)/%.c
-	mkdir -p $(BSLZ4_BUILD_DIR)
-	$(CC) $(CFLAGS) -c $< -o $@
-
-$(BUILD_DIR)/bslz4.a: $(BSLZ4_BUILD_DIR)/lz4.o $(BSLZ4_BUILD_DIR)/bitshuffle.o \
-$(BSLZ4_BUILD_DIR)/bitshuffle_core.o $(BSLZ4_BUILD_DIR)/iochain.o $(BSLZ4_BUILD_DIR)/bshuf_h5filter.o
-	mkdir -p $(BUILD_DIR)
-	ar rcs $@ $^
-
-$(BUILD_DIR)/durin-plugin.so: $(BUILD_DIR)/plugin.o $(BUILD_DIR)/file.o $(BUILD_DIR)/err.o $(BUILD_DIR)/filters.o $(BITSHUFFLE_OBJS) \
-$(BUILD_DIR)/bslz4.a
-	mkdir -p $(BUILD_DIR)
-	$(CC) $(CFLAGS) -shared -noshlib $^ -o $(BUILD_DIR)/durin-plugin.so
-
-$(BUILD_DIR)/example: $(BUILD_DIR)/test.o $(BUILD_DIR)/file.o $(BUILD_DIR)/err.o $(BUILD_DIR)/filters.o \
-$(BUILD_DIR)/bslz4.a
-	mkdir -p $(BUILD_DIR)
-	$(CC) $(CFLAGS) $^ -o $(BUILD_DIR)/example
-
-.PHONY: clean
-clean:
-	rm -r $(BUILD_DIR)
-	rm -r $(BSLZ4_BUILD_DIR)