A couple of questions about the new build system

[Erik Joelsson]

On 2013-03-29 00:00, Phil Race wrote:
> > If you touch a header fie, the build is supposed to notice and "do 
> the right thing".
>
> It did not do so. If I touched a C file, no problem, but not so for 
> the header file.
> This was observed on Solaris 10 SPARC.
>
I just tried:
touch ../../jdk/src/share/native/sun/font/fontscalerdefs.h
make LOG=info

which resulted in the following:

...
## Starting jdk
Compiling AccelGlyphCache.c (for libawt_xawt.so)
Compiling OGLTextRenderer.c (for libawt_xawt.so)
Compiling X11FontScaler_md.c (for libawt_xawt.so)
Compiling XRBackendNative.c (for libawt_xawt.so)
Compiling DrawGlyphList.c (for libfontmanager.so)
Compiling FontInstanceAdapter.cpp (for libfontmanager.so)
Compiling SunLayoutEngine.cpp (for libfontmanager.so)
Compiling X11FontScaler.c (for libfontmanager.so)
Compiling sunFont.c (for libfontmanager.so)
/localhome/mercurial/closed-jdk8-build/jdk/src/share/native/sun/font/layout/SunLayoutEngine.cpp: 
In function ‘void Java_sun_font_SunLayoutEngine_nativeLayout(JNIEnv*, 
_jclass*, _jobject*, _jobject*, _jfloatArray*, jint, jint, _jcharArray*, 
jint, jint, jint, jint, jint, jint, jint, _jobject*, _jobject*, jlong, 
jlong)’:
/localhome/mercurial/closed-jdk8-build/jdk/src/share/native/sun/font/layout/SunLayoutEngine.cpp:190: 
warning: comparison between signed and unsigned integer expressions
Compiling GeneralPath.cpp (for libt2k.so)
Compiling scalerMethods.c (for libt2k.so)
Compiling t2kScalerMethods.cpp (for libt2k.so)
Compiling AccelGlyphCache.c (for libawt_headless.so)
/localhome/mercurial/closed-jdk8-build/jdk/src/share/native/sun/font/sunFont.c: 
In function ‘Java_sun_font_StrikeCache_freeIntPointer’:
/localhome/mercurial/closed-jdk8-build/jdk/src/share/native/sun/font/sunFont.c:196: 
warning: cast to pointer from integer of different size
/localhome/mercurial/closed-jdk8-build/jdk/src/share/native/sun/font/sunFont.c: 
In function ‘Java_sun_font_StrikeCache_freeIntMemory’:
/localhome/mercurial/closed-jdk8-build/jdk/src/share/native/sun/font/sunFont.c:234: 
warning: cast to pointer from integer of different size
Compiling X11FontScaler_md.c (for libawt_headless.so)
Linking libawt_xawt.so
Linking libfontmanager.so
Linking libawt_headless.so
Linking libt2k.so
Linking libjawt.so
...

Note that the default verbosity doesn't print anything when compiling 
native code. You need to increase it to "info" to see what gets recompiled.

If this doesn't work for you, it's a bug that needs to be investigated.

/Erik

> -phil.
>
> On 3/28/2013 2:45 PM, Jonathan Gibbons wrote:
>> On 03/28/2013 02:29 PM, Phil Race wrote:
>>> 1. Why do we have both --with-cups and --with-cups-include ?
>>> All we use is the header files so the latter is what matters and
>>> I'm not sure which one the build system prefers if both are set.
>>>
>>> 2. In the old build I could do
>>> cd make/sun/font
>>> make clean
>>> make all
>>>
>>> Is there anything analagous to 'make clean' here,where I can have a 
>>> level of comfort
>>> that all generated files related to building just a particular area 
>>> are removed.
>>> This was useful after I touched a header file.
>>> Now when I touch a header file, the new build system doesn't notice,
>>> so I have to manually purge, but nor does it (as far as I can see) 
>>> give me
>>> a target to purge that component. To do this I need to go hunt down
>>> the directory with the object files and remove them.
>>> Is there something better I can do ?
>>>
>>> -phil.
>>>
>>
>> If you touch a header fie, the build is supposed to notice and "do 
>> the right thing".
>>
>> -- Jon
>