Gentoo Websites Logo
Go to: Gentoo Home Documentation Forums Lists Bugs Planet Store Wiki Get Gentoo!
Bug 695604 - sci-mathematics/z3-4.8.6 CXXFLAGS=-Wimplicit-function-declaration - CMake Error at cmake/z3_add_cxx_flag.cmake:15 (message): The flag "-fvisibility=hidden" is required but your C++ compiler doesn't support it
Summary: sci-mathematics/z3-4.8.6 CXXFLAGS=-Wimplicit-function-declaration - CMake Err...
Status: RESOLVED UPSTREAM
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Mark Wright
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-09-25 00:55 UTC by Alessandro Barbieri
Modified: 2019-09-28 11:04 UTC (History)
3 users (show)

See Also:
Package list:
Runtime testing required: ---

Attachments
z3-4.8.6:20190925-002828.log (z3-4.8.6:20190925-002828.log,8.92 KB, text/plain)
2019-09-25 00:56 UTC, Alessandro Barbieri 		Details
info (info,14.52 KB, text/plain)
2019-09-25 00:56 UTC, Alessandro Barbieri 		Details
CMakeError.log (CMakeError.log,1.93 KB, text/plain)
2019-09-25 00:57 UTC, Alessandro Barbieri 		Details
CMakeOutput.log (CMakeOutput.log,28.92 KB, text/plain)
2019-09-25 00:57 UTC, Alessandro Barbieri 		Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Alessandro Barbieri 2019-09-25 00:55:12 UTC 
I have -Wimplicit-function-declaration in CXXFLAGS

-- Performing Test HAS__fvisibility_hidden
-- Performing Test HAS__fvisibility_hidden - Failed
CMake Error at cmake/z3_add_cxx_flag.cmake:15 (message):
  The flag "-fvisibility=hidden" is required but your C++ compiler doesn't
  support it
Call Stack (most recent call first):
  CMakeLists.txt:355 (z3_add_cxx_flag)


-- Configuring incomplete, errors occurred!
Comment 1 Alessandro Barbieri 2019-09-25 00:56:26 UTC 
Created attachment 590998 [details]
z3-4.8.6:20190925-002828.log

build log
Comment 2 Alessandro Barbieri 2019-09-25 00:56:39 UTC 
Created attachment 591000 [details]
info

emerge --info
Comment 3 Alessandro Barbieri 2019-09-25 00:57:19 UTC 
Created attachment 591002 [details]
CMakeError.log

cmake error log
Comment 4 Alessandro Barbieri 2019-09-25 00:57:48 UTC 
Created attachment 591004 [details]
CMakeOutput.log

cmake log
Comment 5 Michał Górny archtester Gentoo Infrastructure gentoo-dev Security 2019-09-28 05:57:56 UTC 
It's fun stuff you're doing but if you're doing the kind of fun-breaking-stuff, you need to send fixes upstream yourself.
Comment 6 Sergei Trofimovich (RETIRED) gentoo-dev 2019-09-28 11:04:22 UTC 
> cc1plus: warning: command line option ‘-Wimplicit-function-declaration’ is valid for C/ObjC but not for C++

Better not to pass it to CXXFLAGS and leave it only to CFLAGS.