Created attachment 33185 [details] librdf.gpr gnatmake -d -P/home/porton/Projects/redland-bindings/ada/test.gpr -XRUNTIME=full -XMODE=Install -s --subdirs=check -cargs -g -O0 -gnato -fstack-check -gnatVa librdf.gpr:6:25: warning: undefined external reference librdf.gpr:7:28: warning: undefined external reference Exception name: CONSTRAINT_ERROR Message: ali.adb:139 access check failed gnatmake: INTERNAL ERROR. Please report. gnat 4.9.0-2 gcc 4.9.0-7 in Debian testing
It works after cleaning and re-building my project. So I close the bug.