[clamav-users] Can't compile under gcc 7.2.0 - 3

Micah Snyder (micasnyd) micasnyd at cisco.com
Wed Jan 31 13:01:02 UTC 2018


Ah sorry Frans, I had assumed this was you:  https://bugzilla.clamav.net/show_bug.cgi?id=12026

People often don’t use their same name on bugzilla.  It looks like at least 1 other person is having the same issue.  Feel free to chime in on that ticket.


Micah Snyder
Software Engineer
Talos
Cisco Systems, Inc.



On Jan 31, 2018, at 4:34 AM, Frans de Boer <frans at fransdb.nl<mailto:frans at fransdb.nl>> wrote:

I get no answers, so if nobody has this problem, I go the tedious way of compiling a bug report.

-------- Forwarded Message --------
Using the tar on the current OpenSuSE Tumbleweed, I get:

In file included from ../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/Allocator.h:17:0,
                from ../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/ADT/StringMap.h:18,
                from ../../../clamav-0.99.3/libclamav/c++/bytecode2llvm.cpp:41:
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/AlignOf.h: At global scope:
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/AlignOf.h:57:24: error: expected unqualified-id before ‘alignof’
static inline unsigned alignof() { return AlignOf<T>::Alignment; }
                       ^~~~~~~
In file included from ../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/ADT/StringMap.h:18:0,
                from ../../../clamav-0.99.3/libclamav/c++/bytecode2llvm.cpp:41:
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/Allocator.h: In member function ‘void llvm::SpecificBumpPtrAllocator<T>::DestroyAll()’:
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/Allocator.h:204:46: error: expected primary-expression before ‘<’ token
        Ptr = Allocator.AlignPtr(Ptr, alignof<T>());
                                             ^
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/Allocator.h:204:39: warning: ISO C++ does not allow ‘alignof’ with a non-type [-Wpedantic]
        Ptr = Allocator.AlignPtr(Ptr, alignof<T>());
                                      ^~~~~~~
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/Allocator.h:204:48: error: expected primary-expression before ‘>’ token
        Ptr = Allocator.AlignPtr(Ptr, alignof<T>());
                                               ^
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/Allocator.h:204:50: error: expected primary-expression before ‘)’ token
        Ptr = Allocator.AlignPtr(Ptr, alignof<T>());
                                                 ^
In file included from ../../../clamav-0.99.3/libclamav/c++/bytecode2llvm.cpp:41:0:
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/ADT/StringMap.h: In static member function ‘static llvm::StringMapEntry<ValueTy>* llvm::StringMapEntry<ValueTy>::Create(const char*, const char*, AllocatorTy&, InitType)’:
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/ADT/StringMap.h:170:33: error: expected primary-expression before ‘<’ token
    unsigned Alignment = alignof<StringMapEntry>();
                                ^
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/ADT/StringMap.h:170:26: warning: ISO C++ does not allow ‘alignof’ with a non-type [-Wpedantic]
    unsigned Alignment = alignof<StringMapEntry>();
                         ^~~~~~~
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/ADT/StringMap.h:170:48: error: expected primary-expression before ‘>’ token
    unsigned Alignment = alignof<StringMapEntry>();
                                               ^
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/ADT/StringMap.h:170:50: error: expected primary-expression before ‘)’ token
    unsigned Alignment = alignof<StringMapEntry>();
                                                 ^
In file included from ../../../clamav-0.99.3/libclamav/c++/bytecode2llvm.cpp:69:0:
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/CommandLine.h: In member function ‘void llvm::cl::alias::done()’:
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/CommandLine.h:1326:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
    if (AliasFor == 0)
    ^~
../../../clamav-0.99.3/libclamav/c++/llvm/include/llvm/Support/CommandLine.h:1328:7: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
      addArgument();
      ^~~~~~~~~~~
../../../clamav-0.99.3/libclamav/c++/bytecode2llvm.cpp: In function ‘void setGuard(unsigned char*)’:
../../../clamav-0.99.3/libclamav/c++/bytecode2llvm.cpp:2432:49: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
    cl_hash_data("md5", salt, 48, guardbuf, NULL);
                                                ^
make[5]: *** [Makefile:2070: libclamavcxx_la-bytecode2llvm.lo] Error 1
make[5]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build/libclamav/c++'
make[4]: *** [Makefile:1469: all] Error 2
make[4]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build/libclamav/c++'
make[3]: *** [Makefile:3376: all-recursive] Error 1
make[3]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build/libclamav'
make[2]: *** [Makefile:1089: all] Error 2
make[2]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build/libclamav'
make[1]: *** [Makefile:675: all-recursive] Error 1
make[1]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build'
make: *** [Makefile:503: all] Error 2

--------------------------------------------------------------------
Compiling on the same and also different machines with gcc 4.8.3 works correctly. Looking at the messages it seems to me that gcc 7.2.0, 7.2.1 and 7.3.0 are more strict.

Also, this behavior was also in rc1/2 of 0.99.3.

-----------------
Using the git with checkout 0.99.3, it does compile more but then the next error came:

                                                    ^~~~~~~
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp: In instantiation of ‘void {anonymous}::Emitter<CodeEmitter>::emitMemModRMByte(const llvm::MachineInstr&, unsigned int, unsigned int, intptr_t) [with CodeEmitter = llvm::JITCodeEmitter; intptr_t = long int]’:
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp:835:21:   required from ‘void {anonymous}::Emitter<CodeEmitter>::emitInstruction(const llvm::MachineInstr&, const llvm::TargetInstrDesc*) [with CodeEmitter = llvm::JITCodeEmitter]’
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp:137:24:   required from ‘bool {anonymous}::Emitter<CodeEmitter>::runOnMachineFunction(llvm::MachineFunction&) [with CodeEmitter = llvm::JITCodeEmitter]’
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp:984:1:   required from here
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp:570:25: error: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing]
  static const unsigned SSTable[] = { ~0, 0, 1, ~0, 2, ~0, ~0, ~0, 3 };
                        ^~~~~~~
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp:570:25: error: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing]
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp:570:25: error: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing]
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp:570:25: error: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing]
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp:570:25: error: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing]
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp: At global scope:
../../../git-clamav-devel/libclamav/c++/llvm/lib/Target/X86/X86CodeEmitter.cpp:96:10: warning: ‘void {anonymous}::Emitter<CodeEmitter>::emitSIBByte(unsigned int, unsigned int, unsigned int) [with CodeEmitter = llvm::JITCodeEmitter]’ used but never defined
    void emitSIBByte(unsigned SS, unsigned Index, unsigned Base);
         ^~~~~~~~~~~
make[5]: *** [Makefile:4151: libllvmx86codegen_la-X86CodeEmitter.lo] Error 1
make[5]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build/libclamav/c++'
make[4]: *** [Makefile:1539: all] Error 2
make[4]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build/libclamav/c++'
make[3]: *** [Makefile:3514: all-recursive] Error 1
make[3]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build/libclamav'
make[2]: *** [Makefile:1216: all] Error 2
make[2]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build/libclamav'
make[1]: *** [Makefile:758: all-recursive] Error 1
make[1]: Leaving directory '/mnt/raidarray/fdb-data/projects/linux/security/clamav/clamav-build'
make: *** [Makefile:586: all] Error 2
-----------------------------------------------------------
with master, I get the same errors as above.

Sofar, clamav is not usable anymore on (at least) with gcc 7.2.0, 7.2.1 and 7.3.0

Am I the only one?

Regards,
Frans.
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