[Doxygen-users] doxygen-1.8.6 on CentOS 6 problem with INPUT_ENCODING

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Hi All,

We are migrating the source code of an internal app and doxygen-1.8.6 from a windows server to CentOS
6.6. On the windows server everything works as expected.

I migrated the source files, altered the doxygen configs accordingly
and installed the linux static build of doxygen-1.8.6 from:

    ftp://ftp.stack.nl/pub/users/dimitri/doxygen-1.8.6.linux.bin.tar.gz

However, when I run doxygen on the CentOS server it does not recognize the
encodings in the INPUT_ENCODING parameter:

   $ export GCONV_PATH=/usr/lib/gconv
   $ /opt/doxygen-1.8.6/bin/doxygen conf/Doxyfile
   ... (output clipped)
   Reading and parsing tag files
   Parsing files
   Preprocessing /home/doxy/conf/Mainpage.dox...
   error: unsupported character conversion: 'CP1250'->'UTF-8': Invalid argument
   Check the INPUT_ENCODING setting in the config file!
   Exiting...

No matter what encoding is being set in INPUT_ENCODING it produces the same
error. Except if set it to UTF-8!

I checked if doxygen can read the glibc iconv settings (glibc-2.12 is installed), and everything seems
ok: it finds and reads the gconv settings, loads to CP1250.so when trying to
convert the first file but then suddenly bails out:

    $ export GCONV_PATH=/usr/lib/gconv
    $ strace /opt/doxygen-1.8.6/bin/doxygen conf/Doxyfile
    ...
    getcwd("/home/doxy/src", 4096) = 46
    open("/usr/lib/gconv/gconv-modules", O_RDONLY|O_CLOEXEC) = 3
    fstat(3, {st_mode=S_IFREG|0644, st_size=56103, ...}) = 0
    mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81dabaf000
    read(3, "# GNU libc iconv configuration.\n"..., 4096) = 4096
    read(3, "B1.002//\nalias\tJS//\t\t\tJUS_I.B1.0"..., 4096) = 4096
    read(3, "59-3\t1\nmodule\tINTERNAL\t\tISO-8859"..., 4096) = 4096
    read(3, "859-14//\nalias\tISO-IR-199//\t\tISO"..., 4096) = 4096
    read(3, "CDIC-DK-NO-A//\tEBCDIC-DK-NO-A\t1\n"..., 4096) = 4096
    read(3, "\t\tIBM281//\t\tIBM281\t\t1\n\n#\tfrom\t\t\t"..., 4096) = 4096
    read(3, "\tIBM863\t\t1\n\n#\tfrom\t\t\tto\t\t\tmodule"..., 4096) = 4096
    read(3, "//\t\tIBM937//\nalias\tCSIBM937//\t\tI"..., 4096) = 4096
    read(3, "JAPANESE//\tEUC-JP//\nalias\tOSF000"..., 4096) = 4096
    read(3, "MACINTOSH//\t\tMACINTOSH\t1\n\n#\tfrom"..., 4096) = 4096
    read(3, "367-BOX//\nalias\tISO_10367BOX//\t\t"..., 4096) = 4096
    brk(0x2bbd000)                          = 0x2bbd000
    read(3, "EUC-JISX0213//\t\tINTERNAL\t\tEUC-JI"..., 4096) = 4096
    read(3, "/\t\tIBM1130//\nalias\tCSIBM1130//\t\t"..., 4096) = 4096
    read(3, "\t1\n\n#\tfrom\t\t\tto\t\t\tmodule\t\tcost\na"..., 4096) = 2855
    read(3, "", 4096)                       = 0
    close(3)                                = 0
    munmap(0x7f81dabaf000, 4096)            = 0
    open("/usr/lib/x86_64-linux-gnu/gconv/gconv-modules", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
    ...
    lstat("/home/doxy/conf/Mainpage.dox", {st_mode=S_IFREG|0640, st_size=56981, ...}) = 0
    access("/home/doxy/conf/Mainpage.dox", F_OK) = 0
    open("/home/doxy/conf/Mainpage.dox", O_RDONLY) = 5
    fstat(5, {st_mode=S_IFREG|0640, st_size=56981, ...}) = 0
    lstat("/home/doxy/conf/Mainpage.dox", {st_mode=S_IFREG|0640, st_size=56981, ...}) = 0
    fstat(5, {st_mode=S_IFREG|0640, st_size=56981, ...}) = 0
    mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81daa66000
    read(5, "/*! \\mainpage\n\n  \\subpage toc_db"..., 53248) = 53248
    read(5, " pg_CMS_XPROD_ECM_DATA_PACKAGE_S"..., 4096) = 3733
    close(5)                                = 0
    munmap(0x7f81daa66000, 4096)            = 0
    open("/usr/lib/gconv/CP1250.so", O_RDONLY|O_CLOEXEC) = 5
    read(5, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0P\3\0\0004\0\0\0"..., 832) = 832
    close(5)                                = 0
    ...
    write(2, "error: unsupported character con"..., 130error: unsupported character conversion: 'CP1250'->'UTF-8': Invalid argument
    Check the INPUT_ENCODING setting in the config file!
    ) = 130
    ...

It looks like the list of available encodings is not being read correctly from
gconv? 

Kind regards,
Tomaz

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