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[Bug build/15414] New: Build fails with mingw32-w64 GCC-4.8.0


http://sourceware.org/bugzilla/show_bug.cgi?id=15414

             Bug #: 15414
           Summary: Build fails with mingw32-w64 GCC-4.8.0
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build
        AssignedTo: unassigned@sourceware.org
        ReportedBy: freddie_chopin@op.pl
    Classification: Unclassified


When building GDB from repo with mingw32-w64 compiler, GCC 4.8.0 there's a
problem with compilation flags:

i686-w64-mingw32-gcc
-I/home/freddie/bleeding-edge-toolchain/build-mingw/host-libs/zlib/include -O2
-D__USE_MINGW_ACCESS   -I. -I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/common
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/config
-DLOCALEDIR="\"/home/freddie/bleeding-edge-toolchain/install-mingw/share/locale\""
-DHAVE_CONFIG_H
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../include/opcode
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../opcodes/..
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../readline/.. -I../bfd
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../bfd
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../include
-I../libdecnumber
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../libdecnumber 
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/gnulib/import
-Ibuild-gnulib/import  
-I/home/freddie/bleeding-edge-toolchain/build-mingw/host-libs/zlib/include
-I/home/freddie/bleeding-edge-toolchain/build-mingw/host-libs/usr/include 
-Wall -Wdeclaration-after-statement -Wpointer-arith -Wformat-nonliteral
-Wpointer-sign -Wno-unused -Wunused-value -Wunused-function -Wno-switch
-Wno-char-subscripts -Wmissing-prototypes -Wdeclaration-after-statement
-Wempty-body -Wno-format -Werror -c -o gdb.o -MT gdb.o -MMD -MP -MF
.deps/gdb.Tpo /home/freddie/bleeding-edge-toolchain/src/gdb/gdb/gdb.c
i686-w64-mingw32-gcc
-I/home/freddie/bleeding-edge-toolchain/build-mingw/host-libs/zlib/include -O2
-D__USE_MINGW_ACCESS   -I. -I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/common
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/config
-DLOCALEDIR="\"/home/freddie/bleeding-edge-toolchain/install-mingw/share/locale\""
-DHAVE_CONFIG_H
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../include/opcode
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../opcodes/..
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../readline/.. -I../bfd
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../bfd
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../include
-I../libdecnumber
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/../libdecnumber 
-I/home/freddie/bleeding-edge-toolchain/src/gdb/gdb/gnulib/import
-Ibuild-gnulib/import  
-I/home/freddie/bleeding-edge-toolchain/build-mingw/host-libs/zlib/include
-I/home/freddie/bleeding-edge-toolchain/build-mingw/host-libs/usr/include 
-Wall -Wdeclaration-after-statement -Wpointer-arith -Wformat-nonliteral
-Wpointer-sign -Wno-unused -Wunused-value -Wunused-function -Wno-switch
-Wno-char-subscripts -Wmissing-prototypes -Wdeclaration-after-statement
-Wempty-body -Wno-format -Werror -c -o arm-tdep.o -MT arm-tdep.o -MMD -MP -MF
.deps/arm-tdep.Tpo /home/freddie/bleeding-edge-toolchain/src/gdb/gdb/arm-tdep.c
cc1: error: -Wformat-nonliteral ignored without -Wformat
[-Werror=format-nonliteral]
cc1: error: -Wformat-nonliteral ignored without -Wformat
[-Werror=format-nonliteral]
cc1: all warnings being treated as errors
cc1: all warnings being treated as errors

As you see because this is mingw32 -Wno-format is added, but it seems that in
GCC this makes -Wformat-... option (or at least -Wformat-nonliteral) invalid.
No such problem exists with native Linux build, there was no problem when I
built GDB 2 months ago with mingw32-w64 GCC 4.7.x.

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