[jira] Resolved: (STDCXX-982) CPPOPTS, CXXOPTS and LDOPTS aren't used in etc/config/src/libc_decl.sh

["Martin Sebor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STDCXX-982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Sebor resolved STDCXX-982.
---------------------------------

    Resolution: Invalid

Resolving as Invalid. Farid, if you think this should be handled differently please reopen the issue. Otherwise I'll close it.

> CPPOPTS, CXXOPTS and LDOPTS aren't used in etc/config/src/libc_decl.sh
> ----------------------------------------------------------------------
>
>                 Key: STDCXX-982
>                 URL: https://issues.apache.org/jira/browse/STDCXX-982
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Configuration
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: Ubuntu Linux, Cygwin, MinGW
>            Reporter: Farid Zaripov
>             Fix For: 4.2.2
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> On Cygwin it's possible to build library in two modes:
> 1) with using cygwin1.dll (POSIX compatibility layer)
> 2) without using cygwin1.dll - the same result as if you're using MinGW compiler
> For building library in MinGW mode the compiler and linker options should be extended with -mno-cygwin option.
> I've tried to use CPPOPTS, CXXOPTS and LDOPTS make variables, described in README file:
> {noformat}
> $ make builddir BUILDDIR=mingw15s BUILDTYPE=15s CONFIG=gcc.config CXXOPTS=-mno-cygwin LDOPTS=-mno-cygwin
> $ cd mingw15s/include && make CXXOPTS=-mno-cygwin LDOPTS=-mno-cygwin
> {noformat}
>   The config.log file shows that -mno-cygwin option is used only once at linking stage of the sanity test:
> {noformat}
> int main () { return 0; }
> gcc -D_RWSTDDEBUG -D_REENTRANT -mthreads -I. -pedantic -nostdinc++ -g   -W -Wall -Wcast-qual -Winline -Wshadow -Wwrite-strings -Wno-long-long -Wcast-align  -c a.cpp -o a.o
> gcc a.o -mthreads  -mno-cygwin -lm -lsupc++ -lcatgets -liconv  -o a.out
> int main () { return sizeof (int); }
> int main () { return sizeof (long); }
> int main () { return sizeof (long long); }
> int main () { return sizeof (void*); }
> int main () { int i = 1; return *(char*)&i; }
> gcc -E  -D_RWSTDDEBUG -D_REENTRANT -mthreads -pedantic -nostdinc++ -g   /tmp/assert-2408.cpp >/tmp/assert-2408.i
> /tmp/assert-2408.cpp:1:19: cassert: No such file or directory
> gcc -E  -D_RWSTDDEBUG -D_REENTRANT -mthreads -pedantic -nostdinc++ -g   /tmp/assert-2408.cpp >/tmp/assert-2408.i
> ...
> {noformat}
> The same effect observing on Ubuntu Linux.

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