From 82b3d2e292355c7b30f35e68e9506ccbd3c48a34 Mon Sep 17 00:00:00 2001
From: Mark Donszelmann <Mark.Donszelmann@gmail.com>
Date: Mon, 30 Nov 2009 09:11:43 +0100
Subject: Fixed NAR-112

---
 README.txt                                          |  1 +
 .../java/net/sf/antcontrib/cpptasks/CCTask.java     |  3 +++
 .../sf/antcontrib/cpptasks/compiler/LinkType.java   | 11 ++++++++++-
 .../net/sf/antcontrib/cpptasks/gcc/GppLinker.java   | 21 ++++++++++++++++++++-
 4 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/README.txt b/README.txt
index 72c1f19..2a536c3 100644
--- a/README.txt
+++ b/README.txt
@@ -4,6 +4,7 @@ Modified version of ant contrib cpptasks, used in the freehep/maven-nar-plugin.
 
 * cpptasks-1.0-beta-5-parallel-1-SNAPSHOT
 
+- added linkFortranMain option to link with gfortranbegin, see NAR-112
 - added compileOrder to the compilerDef (and thus changed most Hashtables into Maps), see NAR-109
 - added .f90 as extension for the fortran compiler, see NAR-108
 - merged with cpptasks-1.0b5.tar.gz
diff --git a/src/main/java/net/sf/antcontrib/cpptasks/CCTask.java b/src/main/java/net/sf/antcontrib/cpptasks/CCTask.java
index fec91af..2e2065f 100644
--- a/src/main/java/net/sf/antcontrib/cpptasks/CCTask.java
+++ b/src/main/java/net/sf/antcontrib/cpptasks/CCTask.java
@@ -1389,6 +1389,9 @@ public class CCTask extends Task {
         linkType.setLinkFortran(linkFortran);
     }
 
+    public void setLinkFortranMain(boolean linkFortranMain) {
+        linkType.setLinkFortranMain(linkFortranMain);
+    }
     // ENDFREEHEP
 
     /**
diff --git a/src/main/java/net/sf/antcontrib/cpptasks/compiler/LinkType.java b/src/main/java/net/sf/antcontrib/cpptasks/compiler/LinkType.java
index 67d7e6b..aae520d 100644
--- a/src/main/java/net/sf/antcontrib/cpptasks/compiler/LinkType.java
+++ b/src/main/java/net/sf/antcontrib/cpptasks/compiler/LinkType.java
@@ -31,6 +31,7 @@ public class LinkType {
 // BEGINFREEHEP
     private boolean linkCPP = true;
 	private boolean linkFortran = false;
+	private boolean linkFortranMain = false;
 // ENDFREEHEP
 	
     /**
@@ -176,6 +177,14 @@ public class LinkType {
     public boolean linkFortran() {
 		return linkFortran;
 	}
-// ENDFREEHEP
+
+    public void setLinkFortranMain(boolean linkFortranMain) {
+		this.linkFortranMain = linkFortranMain;
+	}
+    
+    public boolean linkFortranMain() {
+    	return linkFortranMain;
+    }
+	// ENDFREEHEP
     
 }
diff --git a/src/main/java/net/sf/antcontrib/cpptasks/gcc/GppLinker.java b/src/main/java/net/sf/antcontrib/cpptasks/gcc/GppLinker.java
index 043720d..ce9f2fb 100644
--- a/src/main/java/net/sf/antcontrib/cpptasks/gcc/GppLinker.java
+++ b/src/main/java/net/sf/antcontrib/cpptasks/gcc/GppLinker.java
@@ -63,7 +63,7 @@ public class GppLinker extends AbstractLdLinker {
     private File[] libDirs;
     private String runtimeLibrary;
     // FREEEHEP
-    private String gccLibrary, gfortranLibrary;
+    private String gccLibrary, gfortranLibrary, gfortranMainLibrary;
 
     protected GppLinker(String command, String[] extensions,
             String[] ignoredExtensions, String outputPrefix,
@@ -97,6 +97,22 @@ public class GppLinker extends AbstractLdLinker {
                 gfortranLibrary = "-lgfortran";
             }
         }
+        
+        gfortranMainLibrary = null;
+        if (linkType.linkFortran()) {
+        	if (linkType.isExecutable() && linkType.linkFortranMain() && !isDarwin()) {
+                if (linkType.isStaticRuntime()) {
+                    String[] cmdin = new String[] { "gfortran",
+                            "-print-file-name=libgfortranbegin.a" };
+                    String[] cmdout = CaptureStreamHandler.run(cmdin);
+                    if ((cmdout.length > 0) && (cmdout[0].indexOf('/') >= 0)) {
+                    	gfortranMainLibrary = cmdout[0];
+                    }
+                } else {
+                	gfortranMainLibrary = "-lgfortranbegin";
+                }        		
+        	}
+        }
 
         runtimeLibrary = null;
         if (linkType.linkCPP()) {
@@ -137,6 +153,9 @@ public class GppLinker extends AbstractLdLinker {
         if (gfortranLibrary != null) {
             endargs.addElement(gfortranLibrary);
         }
+        if (gfortranMainLibrary != null) {
+            endargs.addElement(gfortranMainLibrary);
+        }
         if (gccLibrary != null) {
             endargs.addElement(gccLibrary);
         }
-- 
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