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bug#30756: gcc7 doesn't find stdlib.h
From: |
Ludovic Courtès |
Subject: |
bug#30756: gcc7 doesn't find stdlib.h |
Date: |
Fri, 04 May 2018 14:43:42 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) |
Hi,
Giel van Schijndel <address@hidden> skribis:
> On 09-03-18 13:42, Ludovic Courtès wrote:
>> julien lepiller <address@hidden> skribis:
>>
>>> I'm trying to build a software that requires gcc>=7.2. Unfortunately,
>>> the process crashes and ends with:
>>>
>>> /gnu/store/a4vwdk8r6p6l2mnffz4yaqlr1z6z6w3r-gcc-7.3.0/include/c++/cstdlib:75:15:
>>> fatal error: stdlib.h: No such file or directory.
>> On IRC Marius mentioned this bug report:
>>
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70129#c3
>>
>> Note that we use C_INCLUDE_PATH, which is equivalent to ‘-isystem’.
>
> This is biting me too for a C++17 project I'm trying to build.
Marius, do you have a link to the exact change in GCC that caused this
regression?
I find it hard to believe that a fix would necessarily “slow everything
down”, as Jakub put it in the report above.
Also it seems clear that in Guix we’ll want a solution that’s not
CMake-specific.
Giel, does the patch below work for you?
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 62b896882..9a82a9e81 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -476,7 +476,17 @@ Go. It also includes runtime support libraries for these
languages.")
"pa" "sh" "tilepro" "xtensa")))))
(inputs
`(("isl" ,isl)
- ,@(package-inputs gcc-4.7)))))
+ ,@(package-inputs gcc-4.7)))
+
+ (native-search-paths
+ ;; We have to use 'CPATH' for GCC > 5, not 'C_INCLUDE_PATH' & co., due to
+ ;; <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70129>.
+ (list (search-path-specification
+ (variable "CPATH")
+ (files '("include")))
+ (search-path-specification
+ (variable "LIBRARY_PATH")
+ (files '("lib" "lib64")))))))
(define-public gcc-7
(package
Thanks,
Ludo’.
- bug#30756: gcc7 doesn't find stdlib.h, Giel van Schijndel, 2018/05/04
- bug#30756: gcc7 doesn't find stdlib.h,
Ludovic Courtès <=
- bug#30756: gcc7 doesn't find stdlib.h, Giel van Schijndel, 2018/05/04
- bug#30756: gcc7 doesn't find stdlib.h, Ludovic Courtès, 2018/05/04
- bug#30756: gcc7 doesn't find stdlib.h, Giel van Schijndel, 2018/05/04
- bug#30756: gcc7 doesn't find stdlib.h, Mark H Weaver, 2018/05/04
- bug#30756: gcc7 doesn't find stdlib.h, Mark H Weaver, 2018/05/04
- bug#30756: gcc7 doesn't find stdlib.h, Ludovic Courtès, 2018/05/04
- bug#30756: gcc7 doesn't find stdlib.h, Mark H Weaver, 2018/05/04
- bug#30756: gcc7 doesn't find stdlib.h, Giel van Schijndel, 2018/05/04
- bug#30756: gcc7 doesn't find stdlib.h, Ludovic Courtès, 2018/05/07
- bug#30756: gcc7 doesn't find stdlib.h, Mark H Weaver, 2018/05/07