git: 8ba333e02eaa - main - libdtrace: Stop relying on lex compatibility

[Hartmann, O.]

On Wed, 17 Feb 2021 16:02:15 GMT
Mark Johnston <markj at FreeBSD.org> wrote:

> The branch main has been updated by markj:
> 
> URL: https://cgit.FreeBSD.org/src/commit/?id=8ba333e02eaa59337a4e1d5534d4e894344c8226
> 
> commit 8ba333e02eaa59337a4e1d5534d4e894344c8226
> Author:     Mark Johnston <markj at FreeBSD.org>
> AuthorDate: 2021-02-17 15:49:38 +0000
> Commit:     Mark Johnston <markj at FreeBSD.org>
> CommitDate: 2021-02-17 15:57:19 +0000
> 
>     libdtrace: Stop relying on lex compatibility
>     
>     It does not appear to be required, and as of commit 6b7e592c215f
>     ("lex: Do not let input() return 0 when end-of-file is reached") it
>     causes input to return 0 instead of EOF when end-of-input is reached.
>     
>     PR:             253440
>     MFC after:      3 days
>     Sponsored by:   The FreeBSD Foundation
> ---
>  cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h | 2 +-
>  cddl/lib/libdtrace/Makefile                             | 2 --
>  2 files changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h
> b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h index
> f2c60a2b07d4..b3f69bb6329d 100644 ---
> a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h +++
> b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h @@ -717,7 +717,7 @@ extern
> dt_pcb_t *yypcb;		/* pointer to current parser control block */ extern
> char yyintprefix;	/* int token prefix for macros (+/-) */ extern char
> yyintsuffix[4];	/* int token suffix ([uUlL]*) */ extern int yyintdecimal;
> /* int token is decimal (1) or octal/hex (0) */ -extern char yytext[];
> /* lex input buffer */ +extern char *yytext;		/* lex input buffer */
>  extern int yylineno;		/* lex line number */
>  extern int yydebug;		/* lex debugging */
>  extern dt_node_t *yypragma;	/* lex token list for control lines */
> diff --git a/cddl/lib/libdtrace/Makefile b/cddl/lib/libdtrace/Makefile
> index efd73751e2c0..45ca1692cf48 100644
> --- a/cddl/lib/libdtrace/Makefile
> +++ b/cddl/lib/libdtrace/Makefile
> @@ -129,8 +129,6 @@ SRCS+=		dis_tables.c
>  DSRCS+=		regs_x86.d
>  .endif
>  
> -LFLAGS+=-l
> -
>  YFLAGS+=-d
>  
>  LIBADD=	ctf elf proc pthread rtld_db
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This commit breaks buildworld (also breask starting from scratch/clean /usr/obj):

[...]
-MD  -MF.depend.arc_os.pico -MTarc_os.pico -std=iso9899:1999 -Wno-format-zero-length
-fstack-protector-strong -Wsystem-headers -Wall -Wno-format-y2k -Wno-uninitialized
-Wno-pointer-sign -Wno-unknown-pragmas -Wno-empty-body -Wno-string-plus-int
-Wno-unused-const-variable -Wno-tautological-compare -Wno-unused-value
-Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion
-Wno-unused-local-typedef -Wno-address-of-packed-member -Wno-switch -Wno-switch-enum
-Wno-knr-promoted-parameter  -Qunused-arguments    -c
/usr/src/sys/contrib/openzfs/module/os/linux/zfs/arc_os.c -o arc_os.pico ---
all_subdir_cddl/lib/libdtrace --- --- dt_names.o --- --- dt_lex.o --- In file included
from /usr/src/cddl/contrib/opensolaris/lib/libdtrace/common/dt_lex.l:38:
/usr/src/cddl/lib/libdtrace/../../../cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h:720:14:
error: redeclaration of 'yytext' with a different type: 'char *' vs 'char [8192]' extern
char *yytext;            /* lex input buffer */ ^ dt_lex.c:1075:6: note: previous
definition is here char yytext[YYLMAX]; ^ 1 error generated. *** [dt_lex.o] Error code 1

make[5]: stopped in /usr/src/cddl/lib/libdtrace
--- all_subdir_cddl/lib/libzpool ---
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