Add jenkinsfile (#619)

* Add Jenkinsfile

* Remove Jenkinsfile to rename it

* Add JenkinsFile again

* Remove Jenkinsfile again

* Add Jenkinsfile again

* Add Jenkins badge icon to README

* Change URL for the badge icon

---------

Co-authored-by: Naoki Shibata <shibatch.sf.net@gmail.com>

Author: shibatch

Jenkinsfile

@@ -0,0 +1,31 @@
+pipeline {
+    agent { label 'jenkinsfile' }
+
+    stages {
+        stage('Preamble') {
+            parallel {
+                stage('x86_64 linux gcc-13') {
+            	     agent { label 'x86_64 && ubuntu24' }
+                     options { skipDefaultCheckout() }
+            	     steps {
+                         cleanWs()
+                         checkout scm
+	    	     	 sh '''
+                	 echo "x86_64 gcc-13 on" `hostname`
+			 export CC=gcc-13
+			 export CXX=g++-13
+ 			 mkdir build
+			 cd build
+			 cmake -GNinja -DCMAKE_INSTALL_PREFIX=../../install -DSLEEF_SHOW_CONFIG=1 -DBUILD_QUAD=TRUE -DBUILD_INLINE_HEADERS=TRUE -DENFORCE_SSE2=TRUE -DENFORCE_SSE4=TRUE -DENFORCE_AVX=TRUE -DENFORCE_AVX2=TRUE -DENFORCE_AVX512F=TRUE ..
+			 cmake -E time ninja
+			 export OMP_WAIT_POLICY=passive
+		         export CTEST_OUTPUT_ON_FAILURE=TRUE
+		         ctest -j `nproc`
+		         ninja install
+			 '''
+            	     }
+                }
+            }
+        }
+    }
+}

README.md

@@ -6,6 +6,8 @@
 [![Spack](https://img.shields.io/spack/v/sleef)](https://spack.readthedocs.io/en/v0.16.2/package_list.html#sleef)
 [![SourceForge Downloads](https://img.shields.io/sourceforge/dt/sleef)](https://sourceforge.net/projects/sleef/)
 
+[![Build Status](https://shibatch.dns-cloud.net/jenkins8086/buildStatus/icon?job=sleef)](https://shibatch.dns-cloud.net/jenkins8086/job/sleef/) 
+
 SLEEF is a library that implements vectorized versions of C standard math functions. This library also includes DFT subroutines.
 
 - **Web Page:** [https://sleef.org/][webpage_url]