I saw following errors (warnings) when I tried to build OpenJDK on Fedora 40
with gcc-14.2.1-1.fc40.x86_64:
/home/ysuenaga/github-forked/jdk/src/java.desktop/share/native/libfontmanager/HBShaper_Panama.c:
In function ‘jdk_hb_shape’:
/home/ysuenaga/github-forked/jdk/src/java.desktop/share/native/libfontmanager/HBShaper_Panama.c:101:16:
error: unused variable ‘yPtSize’ [-Werror=unused-variable]
101 | float yPtSize = euclidianDistance(matrix[2], matrix[3]);
| ^~~~~~~
cc1: all warnings being treated as errors
* For target support_native_java.desktop_libfontmanager_X11FontScaler.o:
/home/ysuenaga/github-forked/jdk/src/java.desktop/unix/native/libfontmanager/X11FontScaler.c:
In function ‘Java_sun_font_NativeFont_getGlyphAdvance’:
/home/ysuenaga/github-forked/jdk/src/java.desktop/unix/native/libfontmanager/X11FontScaler.c:270:32:
error: unused variable ‘descent’ [-Werror=unused-variable]
270 | int direction, ascent, descent;
| ^~~~~~~
/home/ysuenaga/github-forked/jdk/src/java.desktop/unix/native/libfontmanager/X11FontScaler.c:270:24:
error: unused variable ‘ascent’ [-Werror=unused-variable]
270 | int direction, ascent, descent;
| ^~~~~~
/home/ysuenaga/github-forked/jdk/src/java.desktop/unix/native/libfontmanager/X11FontScaler.c:270:13:
error: unused variable ‘direction’ [-Werror=unused-variable]
270 | int direction, ascent, descent;
| ^~~~~~~~~
/home/ysuenaga/github-forked/jdk/src/java.desktop/share/native/libfontmanager/freetypeScaler.c:
In function ‘Java_sun_font_FreetypeFontScaler_createScalerContextNative’:
/home/ysuenaga/github-forked/jdk/src/java.desktop/share/native/libfontmanager/freetypeScaler.c:516:19:
error: unused variable ‘scalerInfo’ [-Werror=unused-variable]
516 | FTScalerInfo *scalerInfo =
| ^~~~~~~~~~
/home/ysuenaga/github-forked/jdk/src/java.desktop/share/native/libfontmanager/freetypeScaler.c:
In function ‘Java_sun_font_FreetypeFontScaler_getGlyphPointNative’:
/home/ysuenaga/github-forked/jdk/src/java.desktop/share/native/libfontmanager/freetypeScaler.c:1655:13:
error: unused variable ‘point’ [-Werror=unused-variable]
1655 | jobject point = NULL;
| ^~~~~
-------------
Commit messages:
- 8339309: unused-variable warnings happen in libfontmanager
Changes: https://git.openjdk.org/jdk/pull/20790/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20790&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8339309
Stats: 8 lines in 3 files changed: 0 ins; 5 del; 3 mod
Patch: https://git.openjdk.org/jdk/pull/20790.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/20790/head:pull/20790
PR: https://git.openjdk.org/jdk/pull/20790
