618992 – =dev-util/creduce-2.7.0 fails to build against =sys-devel/llvm-3.9.1-r1

Bug 618992 - =dev-util/creduce-2.7.0 fails to build against =sys-devel/llvm-3.9.1-r1

Summary: =dev-util/creduce-2.7.0 fails to build against =sys-devel/llvm-3.9.1-r1

Status:	RESOLVED WONTFIX

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	Current packages (show other bugs)
Hardware:	All Linux

Importance:	Normal normal
Assignee:	Ryan Hill (RETIRED)

URL:
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Depends on:
Blocks:

Reported:	2017-05-19 21:13 UTC by Sergei Trofimovich (RETIRED)
Modified:	2017-05-19 21:34 UTC (History)
CC List:	1 user (show)

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Runtime testing required:	---

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Description Sergei Trofimovich (RETIRED) gentoo-dev

2017-05-19 21:13:08 UTC

I have =sys-devel/clang-3.9.1-r100 / =sys-devel/llvm-3.9.1-r1 installed.
creduce's ebuild depends seem to  explicitly suggest clang-3.9 is supported:

        <sys-devel/clang-5:=
        || (
                sys-devel/clang:4
                >=sys-devel/clang-3.9:0
        )

Alas CMakeLists.txt disagrees:

    find_package(LLVM REQUIRED CONFIG NO_CMAKE_BUILDS_PATH)
    message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
    message(STATUS "Using LLVMConfig.cmake in ${LLVM_DIR}")
    if (${LLVM_PACKAGE_VERSION} VERSION_LESS "4.0")
      message(FATAL_ERROR "C-Reduce requires LLVM 4.0 or later")
    endif()

Noticed it when got build failure today:

-- Found LLVM 3.9.1
-- Using LLVMConfig.cmake in /usr/lib64/cmake/llvm
CMake Error at CMakeLists.txt:30 (message):
  C-Reduce requires LLVM 4.0 or later

Comment 1 Michał Górny archtester

2017-05-19 21:22:54 UTC

Thanks for confirming my suspicions ;-). I'll restrict it to just :4 in a minute.

Comment 2 Michał Górny archtester

2017-05-19 21:34:30 UTC

commit f3d41b4d466155a69c4631a9b9ea41ab6e636763 (HEAD -> master, origin/master, origin/HEAD)
Author:     Michał Górny <mgorny@gentoo.org>
AuthorDate: Fri May 19 23:31:54 2017
Commit:     Michał Górny <mgorny@gentoo.org>
CommitDate: Fri May 19 23:33:46 2017

    dev-util/creduce: Require clang-4, #618992