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Date: Fri, 4 Mar 2005 14:16:25 +0100
Message-Id: <200503041316.j24DGPwh009860@ajax.apache.org>
From: bugzilla@apache.org
To: tomcat-dev@jakarta.apache.org
Subject: DO NOT REPLY [Bug 33843]  New:  -
    native jk connector ignores LDFLAGS when compiling

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http://issues.apache.org/bugzilla/show_bug.cgi?id=33843

           Summary: native jk connector ignores LDFLAGS when compiling
           Product: Tomcat 5
           Version: 5.5.7
          Platform: Sun
        OS/Version: Solaris
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Native:JK
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: beat.kneubuehl@visana.ch


The jk/native/apache-2.0/Makefile from the jakarta-tomcat-connectors-1.2.8
package does ignore the LDFLAGS from the configure script and from the apache apxs.

We need to pass some special linker flags, when we build httpd and the
jakarta-tomcat-connectors (-L/opt/sfw/lib -XCClinker -static-libgcc).
When we build the native Apache2 jk connector from the jakarta-tomcat-connectors
packge, there is no way to pass theese flags to the linker.
When we pass these options as LDFLAGS to the configure script from the
jakarta-tomcat-connectors, the flags are silently ignored, because the mod_jk.lo
file is linked with the following command (where LDFLAGS is not taken into account):
-----------------
$(LIBTOOL) --mode=link ${COMPILE} -o $@ -module -rpath ${libexecdir}
-avoid-version mod_jk.lo $(APACHE_OBJECTS)
-----------------
We have used theese LDFLAGS also when compiling the httpd, thus apxs is aware of
the LDFLAGS:
---------------
/usr/local/apache_2.0.53/bin/apxs  -q LDFLAGS
-L/opt/sfw/lib -XCClinker -static-libgcc
---------------
But also the apxs flags are ignored.

In the main Makefile, the following libtool is defined:
LIBTOOL = /bin/bash /usr/local/apache_2.0.53/build/libtool --silent

I have attached a small Patch for the Makefile.in which the LDFLAGS are
requested through the apxs interface.
I have added a `${APXS} -q LDFLAGS` statement to the line which is linking the
mod_jk.lo file.

I'm not sure if this is the right way to fix the problem, or the httpd libtool
which is called by the makefile should be fixed.

We are using the following environment:
- Solaris 9
- gcc-3.3.2
- httpd-2.0.53
- jakarta-tomcat-connectors-1.2.8

Patch:
--- jk/native/apache-2.0/Makefile.in    Fri Mar  4 12:16:40 2005
+++ jk/native/apache-2.0/Makefile.in.fix        Fri Mar  4 12:27:17 2005
@@ -63,7 +63,7 @@
 # APXS will compile every file, this is derived from apxs
 
 mod_jk.la: mod_jk.lo $(APACHE_OBJECTS)
-       $(LIBTOOL) --mode=link ${COMPILE} -o $@ -module -rpath ${libexecdir}
-avoid-version mod_jk.lo $(APACHE_OBJECTS)
+       $(LIBTOOL) --mode=link ${COMPILE} `${APXS} -q LDFLAGS` -o $@ -module
-rpath ${libexecdir} -avoid-version mod_jk.lo $(APACHE_OBJECTS)
 
 mod_jk.so: mod_jk.la
        $(LIBTOOL) --mode=install cp $< `pwd`/$@

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