[Bug modula2/116181] -Wlto-type-mismatch warnings/errors during m2 bootstrap

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116181

--- Comment #6 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Gaius Mulley <ga...@gcc.gnu.org>:

https://gcc.gnu.org/g:b8ef805e4d850971b9926fd81b4f0612ddffaf82

commit r15-3273-gb8ef805e4d850971b9926fd81b4f0612ddffaf82
Author: Gaius Mulley <gaiusm...@gmail.com>
Date:   Wed Aug 28 22:51:11 2024 +0100

    PR modula2/116181 remove ODR warnings from library interface files

    This patch removes the warnings generated by -Wodr from the library
    interface between modula-2 and C.

    gcc/m2/ChangeLog:

            PR modula2/116181
            * Make-lang.in (MC_SRC_FLAGS): New macro.
            (m2/mc-boot/$(SRC_PREFIX)%.o): Use MC_SRC_FLAGS.
            (m2/mc-boot-ch/$(SRC_PREFIX)%.o): Ditto.
            (m2/gm2-libs-boot/M2RTS.o): Ditto.
            (m2/gm2-libs-boot/%.o): Ditto.
            (GM2-LIBS-BOOT-H): New macro.
            (m2/gm2-libs-boot/RTcodummy.o): Use MC_SRC_FLAGS.
            Remove gm2-libs-host.h from the dependancy.
            (m2/gm2-libs-boot/wrapc.o): Use MC_SRC_FLAGS.
            Add dependancy GM2-LIBS-BOOT-H.
            (m2/gm2-libs-boot/UnixArgs.o): Ditto.
            (m2/gm2-libs-boot/choosetemp.o): Ditto.
            (m2/gm2-libs-boot/errno.o): Ditto.
            (m2/gm2-libs-boot/dtoa.o): Ditto.
            (m2/gm2-libs-boot/ldtoa.o): Ditto.
            (m2/gm2-libs-boot/termios.o): Ditto.
            (m2/gm2-libs-boot/SysExceptions.o): Ditto.
            (m2/gm2-compiler-boot/M2GCCDeclare.o): Add gm2-libs-ch to the
            search path.
            (m2/gm2-compiler-boot/M2Error.o): Ditto.
            (m2/gm2-compiler-boot/%.o): Ditto.
            (m2/pge-boot/%.o): Ditto.
            * gm2-gcc/m2color.cc (m2color_colorize_start): Replace parameter
            type char to void and recast to char * when calling colorize_start.
            * gm2-gcc/m2color.h (m2color_colorize_start): Replace parameter
            type char to void.
            * gm2-gcc/m2type.h: Remove #if 0 block.
            * gm2-libs-ch/SysExceptions.c (DECL_PROC_T): Provide alternative
            defines for MC an gm2.
            (PROC_FUNC): Ditto.
            (EXTERN): Force undefine and redefine.
            (SysExceptions_InitExceptionHandlers): Rewrite function
            declaration using defined macros.
            (_M2_SysExceptions_init): Use EXTERN.
            (_M2_SysExceptions_finish): Replace with ...
            (_M2_SysExceptions_fini): ... this and add parameters.
            * gm2-libs-ch/UnixArgs.cc (gm2-libs-host.h): Include.
            (GUnixArgs.h): Include.
            (GM2RTS.h): Include.
            (UnixArgs_GetArgV): Change return type to void *.
            (UnixArgs_GetEnvV): Ditto.
            * gm2-libs-ch/m2rts.h (M2RTS_RegisterModule_Cstr): Add new
            conditional macro.
            (M2RTS_RequestDependant): Remove.
            (M2RTS_RegisterModule): Ditto.
            (M2RTS_Terminate): Ditto.
            (M2RTS_DeconstructModules): Ditto.
            (M2RTS_Halt): Ditto.
            (_M2_M2RTS_init): Ditto.
            (M2RTS_ConstructModules): Ditto.
            * gm2-libs-ch/termios.c (_termios_C): Define.
            (EXTERN): Add conditional definition.
            (doSetUnset): New function.
            (_M2_termios_init): Add correct parameters.
            (_M2_termios_finish): Ditto.
            (_M2_termios_fini): Ditto.
            * mc-boot-ch/GSysExceptions.c (DECL_PROC_T): New define.
            (PROC_FUNC): Ditto.
            (EXTERN): Force undef.
            (SysExceptions_InitExceptionHandlers): Rewrite.
            * mc-boot-ch/Glibc.c (libc_open): Rename parameter
            oflag to flags.
            * mc-boot-ch/Gtermios.cc (_termios_C): New define.
            (KillTermios): Change parameter type from
            struct termios * to termios_TERMIOS.
            (tcsnow): Rewrite.
            (tcsnow): Rewrite.
            (tcsdrain): Rewrite.
            (tcsflush): Rewrite.
            (cfgetospeed): Rewrite.
            (cfgetispeed): Rewrite.
            (cfsetospeed): Rewrite.
            (cfsetispeed): Rewrite.
            (cfsetspeed): Rewrite.
            (cfsetspeed): Rewrite.
            (tcgetattr): Rewrite.
            (tcsetattr): Rewrite.
            (cfmakeraw): Rewrite.
            (tcsendbreak): Rewrite.
            (tcdrain): Rewrite.
            (tcflushi): Rewrite.
            (tcflusho): Rewrite.
            (tcflushio): Rewrite.
            (tcflowoni): Rewrite.
            (tcflowoffi): Rewrite.
            (tcflowono): Rewrite.
            (tcflowoffo): Rewrite.
            (GetFlag): Rewrite.
            (SetFlag): Rewrite.
            (GetChar): Rewrite.
            (SetChar): Rewrite.
            (InitTermios): Rewrite.
            * pge-boot/GM2RTS.cc: Regenerate.
            * pge-boot/GSysExceptions.cc: Ditto.
            * pge-boot/Gtermios.cc: Ditto.
            * pge-boot/m2rts.h: Rewrite.
            * mc-boot-ch/GSYSTEM.h: New file.
            * mc-boot-ch/GSysExceptions.h: New file.
            * mc-boot-ch/Gtermios.h: New file.

    Signed-off-by: Gaius Mulley <gaiusm...@gmail.com>