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From "Steve Blackburn (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-5914) Can't build with gcc >= 4.2: LinuxNativeFont.c:251: warning: cast from pointer to integer of different size
Date Thu, 17 Jul 2008 02:29:31 GMT
Can't build with gcc >= 4.2: LinuxNativeFont.c:251: warning: cast from pointer to integer
of different size
-----------------------------------------------------------------------------------------------------------

                 Key: HARMONY-5914
                 URL: https://issues.apache.org/jira/browse/HARMONY-5914
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
         Environment: Ubuntu 8.04, drlvm svn head.
            Reporter: Steve Blackburn


We run nightly regressions of various VMs against the dacapo suite (building from svn nightly).
 I was trying to get things working on an upgraded box.  When I tried to build drlvm, I found
that it would not compile with gcc-4.2.3.   The work-around is either to use an older gcc,
or to turn of -Werror; neither are ideal.  Or should I be doing something different with my
build? (I just followed the standard instructions for a federated build).

The code generating the warnings looks questionable, so probably the right solution (in this
first instance) is to fix the code.

# my gcc
working_classlib/modules/awt/src/main/native/linuxfont/unix$  gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v --enable-languages=c,c++,fortran,objc,obj-c++,treelang
--prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.2 --program-suffix=-4.2
--enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --enable-targets=all
--enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu --target=i486-linux-gnu
Thread model: posix
gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)

# builds fine with gcc-3.3
working_classlib/modules/awt/src/main/native/linuxfont/unix$ gcc-3.3 -DLINUX -DLINUX_X86 -DHYX86
-DIPv6_FUNCTION_SUPPORT -D_REENTRANT -I/home/dacapo/regression/vms/scm/drlvm-svn/working_classlib/deploy/include
-I/home/dacapo/regression/vms/scm/drlvm-svn/working_classlib/deploy/jdk/include -I. -I../shared/
-Icommon -I/usr/X11R6/include -I/usr/include/freetype2 -Iinclude -I../../fontlib/unix -I../../fontlib/shared
 -fpic -march=pentium3 -ggdb -O0  -Werror   -c -o LinuxNativeFont.o LinuxNativeFont.c
# builds fine with gcc-4.1
gcc-4.1 -DLINUX -DLINUX_X86 -DHYX86 -DIPv6_FUNCTION_SUPPORT -D_REENTRANT -I/home/dacapo/regression/vms/scm/drlvm-svn/working_classlib/deploy/include
-I/home/dacapo/regression/vms/scm/drlvm-svn/working_classlib/deploy/jdk/include -I. -I../shared/
-Icommon -I/usr/X11R6/include -I/usr/include/freetype2 -Iinclude -I../../fontlib/unix -I../../fontlib/shared
 -fpic -march=pentium3 -ggdb -O0  -Werror   -c -o LinuxNativeFont.o LinuxNativeFont.c
# dies with gcc-4.2.3
gcc-4.2 -DLINUX -DLINUX_X86 -DHYX86 -DIPv6_FUNCTION_SUPPORT -D_REENTRANT -I/home/dacapo/regression/vms/scm/drlvm-svn/working_classlib/deploy/include
-I/home/dacapo/regression/vms/scm/drlvm-svn/working_classlib/deploy/jdk/include -I. -I../shared/
-Icommon -I/usr/X11R6/include -I/usr/include/freetype2 -Iinclude -I../../fontlib/unix -I../../fontlib/shared
 -fpic -march=pentium3 -ggdb -O0  -Werror   -c -o LinuxNativeFont.o LinuxNativeFont.c
cc1: warnings being treated as errors
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_initializeFont':
LinuxNativeFont.c:251: warning: cast from pointer to integer of different size
LinuxNativeFont.c:257: warning: cast from pointer to integer of different size
LinuxNativeFont.c:284: warning: cast from pointer to integer of different size
LinuxNativeFont.c:417: warning: cast from pointer to integer of different size
LinuxNativeFont.c:429: warning: cast from pointer to integer of different size
LinuxNativeFont.c:440: warning: cast from pointer to integer of different size
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_initializeFontFromFP':
LinuxNativeFont.c:487: warning: cast from pointer to integer of different size
LinuxNativeFont.c:493: warning: cast from pointer to integer of different size
LinuxNativeFont.c:508: warning: cast from pointer to integer of different size
LinuxNativeFont.c:520: warning: cast from pointer to integer of different size
LinuxNativeFont.c:592: warning: cast from pointer to integer of different size
LinuxNativeFont.c:604: warning: cast from pointer to integer of different size
LinuxNativeFont.c:615: warning: cast from pointer to integer of different size
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_getFonts':
LinuxNativeFont.c:969: warning: cast from pointer to integer of different size
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_NativeInitGlyphBitmap':
LinuxNativeFont.c:1390: warning: cast from pointer to integer of different size
LinuxNativeFont.c:1399: warning: cast from pointer to integer of different size
LinuxNativeFont.c:1409: warning: cast from pointer to integer of different size
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_getGlyphOutline':
LinuxNativeFont.c:1636: warning: cast from pointer to integer of different size
# dies with gcc 4.3.2
$ gcc-4.3 -DLINUX -DLINUX_X86 -DHYX86 -DIPv6_FUNCTION_SUPPORT -D_REENTRANT -I/home/dacapo/regression/vms/scm/drlvm-svn/working_classlib/deploy/include
-I/home/dacapo/regression/vms/scm/drlvm-svn/working_classlib/deploy/jdk/include -I. -I../shared/
-Icommon -I/usr/X11R6/include -I/usr/include/freetype2 -Iinclude -I../../fontlib/unix -I../../fontlib/shared
 -fpic -march=pentium3 -ggdb -O0  -Werror   -c -o LinuxNativeFont.o LinuxNativeFont.c
cc1: warnings being treated as errors
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_initializeFont':
LinuxNativeFont.c:251: error: cast from pointer to integer of different size
LinuxNativeFont.c:257: error: cast from pointer to integer of different size
LinuxNativeFont.c:284: error: cast from pointer to integer of different size
LinuxNativeFont.c:417: error: cast from pointer to integer of different size
LinuxNativeFont.c:429: error: cast from pointer to integer of different size
LinuxNativeFont.c:440: error: cast from pointer to integer of different size
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_initializeFontFromFP':
LinuxNativeFont.c:487: error: cast from pointer to integer of different size
LinuxNativeFont.c:493: error: cast from pointer to integer of different size
LinuxNativeFont.c:508: error: cast from pointer to integer of different size
LinuxNativeFont.c:520: error: cast from pointer to integer of different size
LinuxNativeFont.c:592: error: cast from pointer to integer of different size
LinuxNativeFont.c:604: error: cast from pointer to integer of different size
LinuxNativeFont.c:615: error: cast from pointer to integer of different size
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_getFonts':
LinuxNativeFont.c:969: error: cast from pointer to integer of different size
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_NativeInitGlyphBitmap':
LinuxNativeFont.c:1390: error: cast from pointer to integer of different size
LinuxNativeFont.c:1399: error: cast from pointer to integer of different size
LinuxNativeFont.c:1409: error: cast from pointer to integer of different size
LinuxNativeFont.c: In function 'Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_getGlyphOutline':
LinuxNativeFont.c:1636: error: cast from pointer to integer of different size


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