Plugin charset_alias compile error: void function cannot return value

Thu, 01 Mar 2018 15:00:07 -0800 

Hey Everyone,
We are getting a compile error for Dovecot 2.2.34 on Solaris 11.3 x86, using Solaris Studio 12.6 compiler, and it doesn't occur with Dovecot 2.2.33. 

   Making all in charset-alias
   source='charset-alias-plugin.c' object='charset-alias-plugin.lo'
   libtool=yes \
   DEPDIR=.deps depmode=none /bin/sh ../../../depcomp \
   /bin/sh ../../../libtool  --tag=CC    --mode=compile cc

   -DHAVE_CONFIG_H -I. -I../../..  -I../../../src/lib 
   -I../../../src/lib-master -I../../../src/lib-mail 
   -I../../../src/lib-charset -I../../../src/lib-index 
   -I../../../src/lib-storage -m64 -I/usr/local/include

   -I/usr/mysql/5.7/include -I/usr/local/include/sasl -I/usr/include
   -L/usr/local/lib -L/usr/local/lib/sasl2 -L/usr/mysql/5.7/lib/64
   -L/usr/lib/64 -L/usr/lib -R/usr/local/lib -R/usr/local/lib/sasl2
   -R/usr/mysql/5.7/lib/64 -R/usr/lib/64 -R/usr/lib   -m64
   -I/usr/local/include -I/usr/mysql/5.7/include
   -I/usr/local/include/sasl -I/usr/include -L/usr/local/lib
   -L/usr/local/lib/sasl2 -L/usr/mysql/5.7/lib/64 -L/usr/lib/64
   -L/usr/lib -R/usr/local/lib -R/usr/local/lib/sasl2
   -R/usr/mysql/5.7/lib/64 -R/usr/lib/64 -R/usr/lib -c -o
   charset-alias-plugin.lo charset-alias-plugin.c
   libtool: compile:  cc -DHAVE_CONFIG_H -I. -I../../..
   -I../../../src/lib -I../../../src/lib-master -I../../../src/lib-mail
   -I../../../src/lib-charset -I../../../src/lib-index
   -I../../../src/lib-storage -m64 -I/usr/local/include
   -I/usr/mysql/5.7/include -I/usr/local/include/sasl -I/usr/include
   -L/usr/local/lib -L/usr/local/lib/sasl2 -L/usr/mysql/5.7/lib/64
   -L/usr/lib/64 -L/usr/lib -R/usr/local/lib -R/usr/local/lib/sasl2
   -R/usr/mysql/5.7/lib/64 -R/usr/lib/64 -R/usr/lib -m64
   -I/usr/local/include -I/usr/mysql/5.7/include
   -I/usr/local/include/sasl -I/usr/include -L/usr/local/lib
   -L/usr/local/lib/sasl2 -L/usr/mysql/5.7/lib/64 -L/usr/lib/64
   -L/usr/lib -R/usr/local/lib -R/usr/local/lib/sasl2
   -R/usr/mysql/5.7/lib/64 -R/usr/lib/64 -R/usr/lib -c
   charset-alias-plugin.c  -KPIC -DPIC -o .libs/charset-alias-plugin.o
   *"charset-alias-plugin.c", line 86: void function cannot return value**
   **"charset-alias-plugin.c", line 92: void function cannot return value*
   cc: acomp failed for charset-alias-plugin.c


    In charset-alias-plugin.c, the functions 
charset_alias_to_utf8_end() and charset_alias_to_utf8_reset() are 
declared to return void, but they also attempt to return something. I 
suspect other compilers, such as GCC, might generate a warning about the 
"return" statement, but Solaris Studio compiler is being more strict 
about it...



    I suspect that the "return" keyword should be dropped from both 
functions. Thoughts?


Thanks,
John


*John Woods | System Integration Administrator*
*Great Plains Manufacturing* | 1030 E North St | Salina, KS 67401

P: 785-823-3276 ext. 2663 | F: 785-822-5676 | E: 
john.wo...@greatplainsmfg.com <mailto:john.wo...@greatplainsmfg.com>


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