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 Your message dated Fri, 10 Oct 2025 18:19:04 +0000 
 with message-id  
 and subject line Bug#1110454: fixed in grantlee5 5.3.1-5 
 has caused the Debian Bug report #1110454, 
 regarding grantlee5: FTBFS on arm64 with GCC-15 due to GCS warning 
 to be marked as done. 
  
 This means that you claim that the problem has been dealt with. 
 If this is not the case it is now your responsibility to reopen the 
 Bug report if necessary, and/or fix the problem forthwith. 
  
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 -- 
 1110454: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1110454 
 Debian Bug Tracking System 
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  for submit@bugs.debian.org; Tue, 05 Aug 2025 19:11:43 +0000 
 Date: Tue, 5 Aug 2025 21:11:42 +0200 
 From: Emanuele Rocca  
 To: submit@bugs.debian.org 
 Subject: grantlee5: FTBFS on arm64 with GCC-15 due to GCS warning 
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 Source: grantlee5 
 Version: 5.3.1-4 
 User: debian-arm@lists.debian.org 
 Usertags: gcs 
  
 Hi, 
  
 grantlee5 fails to build from source on arm64 if built with GCC-15, 
 currently 
 in 
 experimental. 
  
 GCC-15 includes support for an arm64 security feature called Guarded Control 
 Stack (GCS). To help with GCS adoption, the linker warns about shared 
 libraries 
 built without GCS. For example: 
  
  /usr/lib/gcc/aarch64-linux-gnu/15/../../../aarch64-linux-gnu/li 
 ncursesw.so.6: warning: GCS is required by -z gcs, but this shared library 
 lacks the necessary property note. The dynamic loader might not enable GCS 
 or 
 refuse to load the program unless 
 all the shared library dependencies have the GCS marking. 
  
 The warning is harmless, and can be ignored. However, grantlee5 is built 
 with 
 --fatal-warnings, and for this reason will fail to build on arm64 once GCC- 
 15 
 becomes the default compiler in Debian. 
  
 Luckily, it is possible to switch the warning off by passing the argument 
 gcs-report-dynamic=none to the linker. Please consider adding the following 
 to 
 your debian/rules: 
  
 ifeq ($(DEB_TARGET_ARCH),arm64) 
 DEB_LDFLAGS_MAINT_APPEND=-Wl,-z,gcs-report-dynamic=none 
 endif 
  
 This can be done even before GCC-15 becomes the default compiler, to avoid 
 build failures when it does. 
  
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