レガシーコード用にgccをダウングレードする必要がありますか?

レガシーコード用にgccをダウングレードする必要がありますか?

私はこのようなレガシーシステムを継承しました。

$ uname -a
Linux pos-sthlm-globe-as-209 2.4.19-dxx #10 Thu Dec 22 15:47:12 CET 2005 i686 GNU/Linux
niklros@pos-sthlm-globe-as-209:~$ gcc --version
2.95.4

これには、私が作成できるソースコードがあります(使用されているPCIカード用の32ビットドライバ)。

# make clean
test -z "mtn.o" || rm -f mtn.o
rm -rf .libs _libs
rm -f *.o core *.core
rm -f *.lo
pos-sthlm-globe-as-209:~/mtn/dxxmtn# ls
BusMastHostApi.h   bmhostif_parsed.h  proc.c        uaa.c
Makefile       cc.c           queue.c       uaa.h
Makefile.am    ct812.c        ram.c     uaa_msg.c
Makefile.in    drawbridge.c       ringbuf.c     uniporte_parsed.c
PORT           dump.c         src       uniporte_parsed.h
TODO           log.c          telem.c       untar
UniPorte.h     main.c         telem_cmd.c   usr
aaa        memring.c          telem_cons.c  vpd.c
ac         mtn            telem_misc.c
bc.c           mtn2100.rc         tmp
bmhostif_parsed.c  mtn_poll.c         tty.c
pos-sthlm-globe-as-209:~/mtn/dxxmtn# make
if [ ! -f uniporte_parsed.c -a ! -f uniporte_parsed.h ]; then \
    rm -f uniporte_parsed.c uniporte_parsed.h; \
    ../utils/grabenum.pl /usr/local/dxx/include/UniPorte.h -header > uniporte_parsed.c; \
    for enum in uniporte_managed_object_indices uniport_disconnect_reason_enumeration uniporte_port_state_enumeration ; do \
        echo "Grabbing enumerator $enum from /usr/local/dxx/include/UniPorte.h into uniporte_parsed.c..."; \
        ../utils/grabenum.pl /usr/local/dxx/include/UniPorte.h $enum -array >> uniporte_parsed.c; \
        echo "extern char *$enum[];" >> uniporte_parsed.h; \
    ...
/usr/src/linux/include/linux/sched.h:770: warning: called from here
/bin/sh ../libtool --mode=link gcc  -O -D__KERNEL__ -DMODULE -DMODVERSIONS -Wall -Winline        -o mtn.o -r uniporte_parsed.o bmhostif_parsed.o uaa.o uaa_msg.o main.o bc.o cc.o mtn_poll.o tty.o ram.o vpd.o drawbridge.o ct812.o dump.o telem.o telem_cmd.o telem_misc.o queue.o ringbuf.o telem_cons.o log.o  
mkdir .libs
/usr/bin/ld -r -o mtn.o uniporte_parsed.o bmhostif_parsed.o uaa.o uaa_msg.o main.o bc.o cc.o mtn_poll.o tty.o ram.o vpd.o drawbridge.o ct812.o dump.o telem.o telem_cmd.o telem_misc.o queue.o ringbuf.o telem_cons.o log.o   
pos-sthlm-globe-as-209:~/mtn/dxxmtn# ls
BusMastHostApi.h   ct812.c   proc.c        tmp
Makefile       ct812.o   queue.c       tty.c
Makefile.am    drawbridge.c  queue.o       tty.o
Makefile.in    drawbridge.o  ram.c         uaa.c
PORT           dump.c    ram.o         uaa.h
TODO           dump.o    ringbuf.c     uaa.o
UniPorte.h     log.c     ringbuf.o     uaa_msg.c
aaa        log.o     src           uaa_msg.o
ac         main.c    telem.c       uniporte_parsed.c
bc.c           main.o    telem.o       uniporte_parsed.h
bc.o           memring.c     telem_cmd.c   uniporte_parsed.o
bmhostif_parsed.c  mtn       telem_cmd.o   untar
bmhostif_parsed.h  mtn.o     telem_cons.c  usr
bmhostif_parsed.o  mtn2100.rc    telem_cons.o  vpd.c
cc.c           mtn_poll.c    telem_misc.c  vpd.o
cc.o           mtn_poll.o    telem_misc.o
pos-sthlm-globe-as-209:~/mtn/dxxmtn# 

今、私のローカルコンピュータのVirtual Box VMで複製しようとして失敗するようです。 gccがバージョン2ではなくバージョン3であるためです。

# uname -a     
Linux debian 2.4.27-3-386 #1 Wed Dec 6 00:38:33 UTC 2006 i686 GNU/Linux
debian:/home/developer/mtn-copy/mtn-copy/mtn/dxxmtn# gcc --version
gcc (GCC) 3.3.5 (Debian 1:3.3.5-13)
Copyright (C) 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

debian:/home/developer/mtn-copy/mtn-copy/mtn/dxxmtn# make clean
test -z "mtn.o" || rm -f mtn.o
rm -rf .libs _libs
rm -f *.o core *.core
rm -f *.lo
debian:/home/developer/mtn-copy/mtn-copy/mtn/dxxmtn# ls
aaa        gcc-2.95.3.tar  proc.c    tty.c
ac         log.c       queue.c   uaa.c
bc.c           main.c      ram.c     uaa.h
bmhostif_parsed.c  Makefile    ringbuf.c     uaa_msg.c
bmhostif_parsed.h  Makefile.am     src       UniPorte.h
BusMastHostApi.h   Makefile.in     telem.c   uniporte_parsed.c
cc.c           memring.c       telem_cmd.c   uniporte_parsed.h
ct812.c        mtn         telem_cons.c  untar
drawbridge.c       mtn2100.rc      telem_misc.c  usr
dump.c         mtn_poll.c      tmp       usr-src-linux-include
gcc-2.95.3     PORT        TODO      vpd.c
debian:/home/developer/mtn-copy/mtn-copy/mtn/dxxmtn# make
if [ ! -f uniporte_parsed.c -a ! -f uniporte_parsed.h ]; then \
  rm -f uniporte_parsed.c uniporte_parsed.h; \
 ...
/usr/src/linux/include/linux/signal.h:205: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:149: warning: called from here
gcc -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/local/dxx/include -I../mtnadm -I/usr/src/linux/include -include /usr/src/linux/include/linux/modversions.h    -O -D__KERNEL__ -DMODULE -DMODVERSIONS -Wall -Winline         -c telem_misc.c
In file included from mtn/mtn.h:436,
         from mtn/telem_misc.h:28,
         from telem_misc.c:34:
/usr/src/linux/include/linux/malloc.h:4:2: warning: #warning linux/malloc.h is deprecated, use linux/slab.h instead.
In file included from mtn/mtn.h:443,
         from mtn/telem_misc.h:28,
         from telem_misc.c:34:
/usr/src/linux/include/asm/uaccess.h: In function `__constant_copy_from_user':
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/asm/uaccess.h:561: warning: called from here
/usr/src/linux/include/asm/siginfo.h: At top level:
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
/usr/src/linux/include/asm/siginfo.h:223: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
/usr/src/linux/include/asm/siginfo.h:226: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:149: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:161: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:193: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:205: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:149: warning: called from here
gcc -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/local/dxx/include -I../mtnadm -I/usr/src/linux/include -include /usr/src/linux/include/linux/modversions.h    -O -D__KERNEL__ -DMODULE -DMODVERSIONS -Wall -Winline         -c queue.c
In file included from mtn/mtn.h:436,
         from mtn/queue.h:54,
         from queue.c:70:
/usr/src/linux/include/linux/malloc.h:4:2: warning: #warning linux/malloc.h is deprecated, use linux/slab.h instead.
In file included from mtn/mtn.h:443,
         from mtn/queue.h:54,
         from queue.c:70:
/usr/src/linux/include/asm/uaccess.h: In function `__constant_copy_from_user':
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/asm/uaccess.h:561: warning: called from here
queue.c: In function `mtn_data_queue_add':
/usr/src/linux/include/asm/uaccess.h:557: warning: inlining failed in call to `__constant_copy_from_user'
queue.c:367: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
queue.c:379: warning: called from here
queue.c: In function `mtn_data_queue_get':
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
queue.c:443: warning: called from here
/usr/src/linux/include/asm/siginfo.h: At top level:
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
/usr/src/linux/include/asm/siginfo.h:223: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
/usr/src/linux/include/asm/siginfo.h:226: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:149: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:161: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:193: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:205: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:149: warning: called from here
gcc -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/local/dxx/include -I../mtnadm -I/usr/src/linux/include -include /usr/src/linux/include/linux/modversions.h    -O -D__KERNEL__ -DMODULE -DMODVERSIONS -Wall -Winline         -c ringbuf.c
ringbuf.c:43:19: errno.h: No such file or directory
In file included from ringbuf.c:45:
/usr/src/linux/include/asm/uaccess.h: In function `__constant_copy_from_user':
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/asm/uaccess.h:561: warning: called from here
In file included from mtn/mtn.h:436,
         from ringbuf.c:47:
/usr/src/linux/include/linux/malloc.h:4:2: warning: #warning linux/malloc.h is deprecated, use linux/slab.h instead.
ringbuf.c: In function `mtn_ringbuf_readline':
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
ringbuf.c:121: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
ringbuf.c:123: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
ringbuf.c:124: warning: called from here
ringbuf.c: In function `mtn_ringbuf_read':
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
ringbuf.c:151: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
ringbuf.c:153: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
ringbuf.c:154: warning: called from here
ringbuf.c: In function `mtn_ringbuf_read_to_user':
/usr/src/linux/include/asm/uaccess.h:548: warning: inlining failed in call to `__constant_copy_to_user'
ringbuf.c:181: warning: called from here
/usr/src/linux/include/asm/uaccess.h:548: warning: inlining failed in call to `__constant_copy_to_user'
ringbuf.c:185: warning: called from here
/usr/src/linux/include/asm/uaccess.h:548: warning: inlining failed in call to `__constant_copy_to_user'
ringbuf.c:185: warning: called from here
ringbuf.c: In function `mtn_ringbuf_write':
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
ringbuf.c:214: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
ringbuf.c:216: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
ringbuf.c:217: warning: called from here
ringbuf.c: In function `mtn_ringbuf_write_from_user':
/usr/src/linux/include/asm/uaccess.h:557: warning: inlining failed in call to `__constant_copy_from_user'
ringbuf.c:245: warning: called from here
/usr/src/linux/include/asm/uaccess.h:557: warning: inlining failed in call to `__constant_copy_from_user'
ringbuf.c:249: warning: called from here
/usr/src/linux/include/asm/uaccess.h:557: warning: inlining failed in call to `__constant_copy_from_user'
ringbuf.c:249: warning: called from here
/usr/src/linux/include/asm/siginfo.h: At top level:
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
/usr/src/linux/include/asm/siginfo.h:223: warning: called from here
/usr/src/linux/include/asm/string.h:222: warning: inlining failed in call to `__constant_memcpy'
/usr/src/linux/include/asm/siginfo.h:226: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:149: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:161: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:193: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:205: warning: called from here
/usr/src/linux/include/asm/string.h:457: warning: inlining failed in call to `__constant_c_and_count_memset'
/usr/src/linux/include/linux/signal.h:149: warning: called from here
make: *** [ringbuf.o] Error 1
debian:/home/developer/mtn-copy/mtn-copy/mtn/dxxmtn# 

私の結論は正しいですか? gccバージョンの違いによってVMのビルドが失敗するか、それともビルドが失敗する別の理由はありますか?

ベストアンサー1

あなたが経験している重大なエラーは、前処理段階で発生します(一部の#include <errno.h>行の場合)。

ringbuf.c:43:19: errno.h: そのファイルやディレクトリはありません

(他の診断は単なる警告です。各診断を理解する必要がありますが、誤って無視することもできます。次のようにコードを改善することをお勧めします。最近バージョン湾岸協力協議会-Wall -Wextra現在の通貨はGCC 72017年7月)

私のDebianシステムでは、<errno.h>ヘッダーはパッケージ/usr/include/errno.hとして提供されていますlibc6-dev。これに対応するものを設置する必要があります。

私がコメントしたように、あなたはできます一部gccgcc-5バージョンをシステムにインストールします(最新のDebianでは、gcc-6gcc-7パッケージをインストールでき、以下から最新バージョンをコンパイルしてビルドすることもできます/usr/local/bin/)。
ただし、<errno.h>これはコンパイラが提供するヘッダーではないため、別のヘッダーがインストールされています。湾岸協力協議会 (例:ダウングレード)役に立ちません。

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