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STR #3023
| Application: | FLTK Library |
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| Status: | 2 - Closed w/o Resolution |
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| Priority: | 3 - Moderate, e.g. unable to compile the software |
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| Scope: | 2 - Specific to an operating system |
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| Subsystem: | None |
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| Summary: | Compile Error on Oracle Linux 6.5, x64 (error: invalid conversion... function pointer)) |
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| Version: | 1.3.2 |
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| Created By: | noloader |
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| Assigned To: | AlbrechtS |
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| Fix Version: | None |
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| Update Notification: | |
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Trouble Report Files:
Trouble Report Comments:
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| #1 | noloader
18:24 Dec 21, 2013 |
| Compiling filename_ext.cxx...
Compiling filename_isdir.cxx...
Compiling filename_list.cxx...
filename_list.cxx: In function ‘int fl_filename_list(const char*, dirent***, int (*)(dirent**, dirent**))’:
filename_list.cxx:121: error: invalid conversion from ‘int (*)(const void*, const void*)’ to ‘int (*)(const dirent**, const dirent**)’
filename_list.cxx:121: error: initializing argument 4 of ‘int scandir(const char*, dirent***, int (*)(const dirent*), int (*)(const dirent**, const dirent**))’
make[1]: *** [filename_list.o] Error 1
make: *** [all] Error 1
*****
$ uname -a
Linux oracle-linux 3.8.13-16.3.1.el6uek.x86_64 #2 SMP Tue Dec 17 11:24:44 PST 2013 x86_64 x86_64 x86_64 GNU/Linux
*****
$ g++ -v
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC)
*****
$ cpp -dM < /dev/null | sort
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#define __FLT_MAX__ 3.40282347e+38F
#define __FLT_MAX_EXP__ 128
#define __FLT_MIN_10_EXP__ (-37)
#define __FLT_MIN__ 1.17549435e-38F
#define __FLT_MIN_EXP__ (-125)
#define __FLT_RADIX__ 2
#define __GCC_HAVE_DWARF2_CFI_ASM 1
#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1
#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1
#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1
#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1
#define __GNUC__ 4
#define __GNUC_GNU_INLINE__ 1
#define __GNUC_MINOR__ 4
#define __GNUC_PATCHLEVEL__ 7
#define __GNUC_RH_RELEASE__ 4
#define __gnu_linux__ 1
#define __GXX_ABI_VERSION 1002
#define __INT_MAX__ 2147483647
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#define __LDBL_DIG__ 18
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#define __LDBL_HAS_DENORM__ 1
#define __LDBL_HAS_INFINITY__ 1
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#define __LDBL_MAX_10_EXP__ 4932
#define __LDBL_MAX__ 1.18973149535723176502e+4932L
#define __LDBL_MAX_EXP__ 16384
#define __LDBL_MIN_10_EXP__ (-4931)
#define __LDBL_MIN__ 3.36210314311209350626e-4932L
#define __LDBL_MIN_EXP__ (-16381)
#define __linux 1
#define __linux__ 1
#define linux 1
#define __LONG_LONG_MAX__ 9223372036854775807LL
#define __LONG_MAX__ 9223372036854775807L
#define __LP64__ 1
#define _LP64 1
#define __MMX__ 1
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#define __PTRDIFF_TYPE__ long int
#define __REGISTER_PREFIX__
#define __SCHAR_MAX__ 127
#define __SHRT_MAX__ 32767
#define __SIZEOF_DOUBLE__ 8
#define __SIZEOF_FLOAT__ 4
#define __SIZEOF_INT__ 4
#define __SIZEOF_LONG__ 8
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#define __SIZEOF_LONG_LONG__ 8
#define __SIZEOF_POINTER__ 8
#define __SIZEOF_PTRDIFF_T__ 8
#define __SIZEOF_SHORT__ 2
#define __SIZEOF_SIZE_T__ 8
#define __SIZEOF_WCHAR_T__ 4
#define __SIZEOF_WINT_T__ 4
#define __SIZE_TYPE__ long unsigned int
#define __SSE__ 1
#define __SSE2__ 1
#define __SSE2_MATH__ 1
#define __SSE_MATH__ 1
#define __STDC__ 1
#define __STDC_HOSTED__ 1
#define __UINTMAX_TYPE__ long unsigned int
#define __unix 1
#define __unix__ 1
#define unix 1
#define __USER_LABEL_PREFIX__
#define __VERSION__ "4.4.7 20120313 (Red Hat 4.4.7-4)"
#define __WCHAR_MAX__ 2147483647
#define __WCHAR_TYPE__ int
#define __WINT_TYPE__ unsigned int
#define __x86_64 1
#define __x86_64__ 1 | |
| |
| #2 | greg.ercolano
01:20 Dec 22, 2013 |
| Can you:
1) Attach your config.log file
2) Attach the resulting "scandir-man.txt" after running the following:
man scandir | col -b > /var/tmp/scandir-man.txt | |
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| #3 | noloader
04:03 Dec 22, 2013 |
| > 2) Attach the resulting "scandir-man.txt" after running the following:
>
> man scandir | col -b > /var/tmp/scandir-man.txt
No man pages.
Here's the one I used to get past the issue:
#else
// The vast majority of UNIX systems want the sort function to have this
// prototype, most likely so that it can be passed to qsort without any
// changes:
// int n = scandir(dirloc, list, 0, (int(*)(const void*,const void*))sort);
int n = scandir(dirloc, list, 0, (int(*)(const struct dirent**,const struct dirent**))sort);
#endif | |
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| #4 | chris
09:35 Dec 22, 2013 |
| Reminds me of a similiar problem I had recently after a fresh VM setup, where I wanted to build FLTK:
- fetched FLTK from svn
- ran configure (or make did it)
- compiled (make)
- after compiling jpeg/png,.. an error occured in a .cxx file
- realized after some confusion, that I had not installed g++ package
- installed g++
- re-run make
- now stopped at this very scandir line in filename_list.cxx
==> solution was simple: re-run configure!!
Now HAVE_SCANDIR_POSIX define became true and everything compiled.
configure did't complain about missing g++ at the first run (at least not loudly), and the scandir posix test seems to need a c++ compiler.
Could something like that have happened here too (In your log file I also see missing g++)?
Cheers,
chris | |
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| #5 | greg.ercolano
16:17 Dec 22, 2013 |
| From your log:
> configure:3646: checking for g++
> configure:3676: result: no
> [..]
> configure:3781: g++ -c -g conftest.cpp >&5
./configure: line 1555: g++: command not found
g++ not found can't be good.
I agree w/chris, make sure g++ is in your path first
then re-run configure followed by 'make'. | |
| |
| #6 | noloader
04:57 Dec 23, 2013 |
| > g++ not found can't be good.
> I agree w/chris, make sure g++ is in your path first
> then re-run configure followed by 'make'.
Yeah, I did encounter that problem, but it was cleared with an `install gcc-c++`.
After installing g++, the compile error was present.
I'm not sure why the logs still complained about g++ problem after clearing it. | |
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| #7 | greg.ercolano
15:08 Dec 23, 2013 |
| It sounds like you're saying you can run "g++ -v" from a shell
and get a positive response, yet if you then run ./configure
from that same shell, it says "g++ not found" in the config.log.
That would be really strange; I suggest you investigate further
by adding 'g++ -v' as the *second* line in ./configure, and run it
to see if you get the g++ banner, or if you get command not found.
Focus on getting configure to find g++. | |
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| #8 | ianmacarthur
15:43 Sep 04, 2014 |
| Is this still alive, this STR?
From what the OP says, I wonder if this is an environment issue rather than a fltk issue?
Can we close this? | |
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| #9 | AlbrechtS
11:14 Feb 28, 2015 |
| This STR has not been updated by the submitter for two or more weeks and has been closed as required by the FLTK Configuration Management Plan. If the issue still requires resolution, please re-submit a new STR. | |
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