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bug#41872: emacs-irony-mode fails to build on LLVM 10
From: |
Jakub Kądziołka |
Subject: |
bug#41872: emacs-irony-mode fails to build on LLVM 10 |
Date: |
Mon, 15 Jun 2020 17:41:11 +0200 |
I was trying to update the default LLVM.
========================================================================
diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 11e4cfbe4c..b0e80507f4 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -527,10 +527,10 @@ output), and Binutils.")
(make-clang-toolchain clang-9))
;; Default LLVM and Clang version.
-(define-public llvm llvm-9)
-(define-public clang-runtime clang-runtime-9)
-(define-public clang clang-9)
-(define-public clang-toolchain clang-toolchain-9)
+(define-public llvm llvm-10)
+(define-public clang-runtime clang-runtime-10)
+(define-public clang clang-10)
+(define-public clang-toolchain clang-toolchain-10)
(define-public llvm-8
(package
========================================================================
With the help of `guix refresh', I have identified all packages that
depended on LLVM 9 and will now potentially be using LLVM 10. Among
those is emacs-irony-mode-server, which fails to build with the
following error:
========================================================================
CMake Error at
/gnu/store/4ml806jam2af7f8i8sg8xi7b4mw81x9g-clang-10.0.0/lib/cmake/clang/ClangTargets.cmake:627
(message):
The imported target "clangApplyReplacements" references the file
"/gnu/store/4ml806jam2af7f8i8sg8xi7b4mw81x9g-clang-10.0.0/lib/libclangApplyReplacements.a"
but this file does not exist. Possible reasons include:
* The file was deleted, renamed, or moved to another location.
* An install or uninstall procedure did not complete successfully.
* The installation package was faulty and contained
"/gnu/store/4ml806jam2af7f8i8sg8xi7b4mw81x9g-clang-10.0.0/lib/cmake/clang/ClangTargets.cmake"
but not all the files it references.
Call Stack (most recent call first):
/gnu/store/4ml806jam2af7f8i8sg8xi7b4mw81x9g-clang-10.0.0/lib/cmake/clang/ClangConfig.cmake:18
(include)
src/CMakeLists.txt:4 (find_package)
-- Configuring incomplete, errors occurred!
See also
"/tmp/guix-build-emacs-irony-mode-server-1.4.0.drv-0/source/CMakeFiles/CMakeOutput.log".
command "cmake" "server"
"-DCMAKE_INSTALL_PREFIX=/gnu/store/5clyjcgw8g9jhryhk8bhljg950ijmwm4-emacs-irony-mode-server-1.4.0"
failed with status 1
builder for
`/gnu/store/qiiqbbzpigs7lnywplbwjdsh4qc2ic94-emacs-irony-mode-server-1.4.0.drv'
failed with exit code 1
========================================================================
The ClangTargets.cmake file for LLVM 10 gained ApplyReplacements in a
list of libraries provided by clang, but Guix removes these libraries:
========================================================================
;; Remove MiBs of .a files coming from
;; 'clang-tools-extra'.
(for-each (lambda (component)
(delete-file
(string-append lib "/libclang"
component ".a")))
'("ApplyReplacements"
"ChangeNamespace"
"Daemon"
"DaemonTweaks"
"Doc"
"IncludeFixer"
"IncludeFixerPlugin"
"Move"))
========================================================================
The code was introduced in this commit:
commit 77a87ad4aceed9d89d615540e0fd147e3a8b2f64
Author: Ludovic Courtès <ludo@gnu.org>
Date: Thu May 28 11:46:59 2020 +0200
gnu: clang: Build 'clang-tools-extra'.
* gnu/packages/llvm.scm (clang-from-llvm): Add #:tools-extra.
Add 'output' field. In 'inputs', add TOOLS-EXTRA when it's given.
In 'arguments', add 'add-tools-extra' and 'move-extra-tools' phases when
TOOLS-EXTRA is given.
I don't know cmake nearly well enough to fix this.
Regards,
Jakub Kądziołka
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