Added quadmath and gfortran-4 and compiled with openblas

Works under 18.04 and 20.04, even without installing libgfortran (yay)

Author: mikiobraun

.dockerignore

@@ -0,0 +1,2 @@
+.git
+src

Makefile

@@ -226,12 +226,31 @@ all-static-jars:
 #
 # Docker development
 #
-build-ubuntu20-04:
-	docker build -f dev-ubuntu20.04.Dockerfile -t jblas/dev-ubuntu2004 .
+shell-ubuntu2004:
+	docker build -f dev-ubuntu2004.Dockerfile -t jblas/dev-ubuntu2004 .
+	docker run --rm -v $(PWD):/home/dev jblas/dev-ubuntu2004 /bin/bash
 
-shell-ubuntu20-04:
-	docker run -it --rm -v $(PWD):/home/dev jblas/dev-ubuntu2004 /bin/bash
+test-ubuntu2004:
+	docker build -f test-ubuntu2004.Dockerfile -t jblas/test-ubuntu2004 .
+	docker run --rm jblas/test-ubuntu2004 /bin/bash
 
-test-ubuntu20-04:
-	docker build -f test-ubuntu20.04.Dockerfile -t jblas/test-ubuntu2004 .
-	docker run --rm jblas/test-ubuntu2004
+
+#
+# Ubuntu18-04
+#
+shell-ubuntu1804:
+	docker build -f dev-ubuntu1804.Dockerfile -t jblas/dev-ubuntu1804 .
+	docker run -it --rm -v $(PWD):/home/dev jblas/dev-ubuntu1804 /bin/bash
+
+test-ubuntu1804:
+	docker build -f test-ubuntu1804.Dockerfile -t jblas/test-ubuntu1804 .
+	docker run --rm jblas/test-ubuntu1804 /bin/bash
+
+
+configure-static-openblas:
+	./configure --static-libs --build-type=openblas
+
+build:
+	make configure-static-openblas
+	make clean all
+	mvn package -Dmaven.test.skip=True

dev-ubuntu1804.Dockerfile

@@ -0,0 +1,16 @@
+# Docker build environment for Ubuntu 18.04
+# run as docker build -f dev-ubuntu2004.Dockerfile .
+
+FROM ubuntu:18.04
+
+ENV JBLAS_VERSION=1.2.4-SNAPSHOT
+
+RUN apt-get update
+RUN apt-get -y install less htop build-essential vim ruby
+#RUN apt-get -y install libgfortran
+RUN apt-get -y install openjdk-8-jdk-headless maven ant
+RUN apt-get -y install gfortran libopenblas-dev
+RUN update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
+
+CMD mkdir /home/dev
+WORKDIR /home/dev

dev-ubuntu2004.Dockerfile

@@ -0,0 +1,16 @@
+# Docker build environment for Ubuntu 20.04
+
+# run as docker build -f dev-ubuntu2004.Dockerfile .
+
+FROM ubuntu:20.04
+
+ENV JBLAS_VERSION=1.2.4-SNAPSHOT
+
+RUN apt-get update
+RUN apt-get -y install less htop build-essential vim ruby
+RUN apt-get -y install libgfortran5
+RUN apt-get -y install openjdk-8-jdk-headless maven ant
+RUN update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
+
+CMD mkdir /home/dev
+WORKDIR /home/dev

src/main/java/org/jblas/NativeBlasLibraryLoader.java

@@ -25,7 +25,7 @@ static void loadLibraryAndCheckErrors() {
                 + "from the archive. Consider installing the library somewhere "
                 + "in the path (for Windows: PATH, for Linux: LD_LIBRARY_PATH).");
 
-        // potentially load dependet libraries (mostly Cygwin libs for Windows)
+        // potentially load dependent libraries (mostly Cygwin libs for Windows)
         loadDependentLibraries();
 
         // Ok, and now load it!
@@ -71,6 +71,9 @@ public static void loadDependentLibraries() {
     } else if (name.startsWith("Windows") && arch.equals("x86")) {
       loader.loadLibrary("libgcc_s_dw2-1", false);
       loader.loadLibrary("libgfortran-3", false);
+    } else if (name.equals("Linux") && arch.equals("amd64")) {
+      loader.loadLibrary("quadmath-0", false);
+      loader.loadLibrary("gfortran-4", false);
     }
   }
 }

src/main/resources/lib/static/Linux/amd64/libgfortran-4.so

@@ -0,0 +1,18 @@
+# Docker build environment for Ubuntu 20.04
+
+# run as docker build -f test-ubuntu2004.Dockerfile .
+
+FROM ubuntu:18.04
+
+ENV JBLAS_VERSION=1.2.4-SNAPSHOT
+
+RUN apt-get update
+RUN apt-get -y install openjdk-8-jdk-headless
+RUN update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
+
+RUN mkdir /home/dev
+WORKDIR /home/dev
+
+COPY target/jblas-${JBLAS_VERSION}.jar .
+
+RUN java -jar jblas-${JBLAS_VERSION}.jar

src/main/resources/lib/static/Linux/amd64/libjblas_arch_flavor.so

@@ -1,19 +1,18 @@
 # Docker build environment for Ubuntu 20.04
 
-# run as docker build -f test-ubuntu20.04.Dockerfile .
+# run as docker build -f test-ubuntu2004.Dockerfile .
 
 FROM ubuntu:20.04
 
 ENV JBLAS_VERSION=1.2.4-SNAPSHOT
 
 RUN apt-get update
-RUN apt-get -y install libgfortran5
 RUN apt-get -y install openjdk-8-jdk-headless
 RUN update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
 
-CMD mkdir /home/dev
+RUN mkdir /home/dev
 WORKDIR /home/dev
 
 COPY target/jblas-${JBLAS_VERSION}.jar .
 
-CMD java -jar jblas-${JBLAS_VERSION}.jar
+RUN java -jar jblas-${JBLAS_VERSION}.jar