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gcc, cobol: Check for get_current_dir_name [PR119301]

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This adds a configure check for get_current_dir_name and falls back
to getcwd() if it is not available on the host.

	PR cobol/119301

gcc/cobol/ChangeLog:

	* util.cc: Check for the availability of get_current_dir_name
	snf fall back to getcwd() if it is not present on the host.

gcc/ChangeLog:

	* config.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Add check for get_current_dir_name.

Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
This commit is contained in:
Iain Sandoe 2025-03-15 09:43:36 +00:00
parent 1ad1bcc991
commit 544a9d9e49
4 changed files with 27 additions and 2 deletions
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19
gcc/cobol/util.cc
View file

@ -72,6 +72,25 @@ extern int yyparse(void);
extern int demonstration_administrator(int N);
#if !defined (HAVE_GET_CURRENT_DIR_NAME)
/* Posix platforms might not have get_current_dir_name but should have
getcwd() and PATH_MAX. */
#if __has_include (<limits.h>)
# include <limits.h>
#endif
/* The Hurd doesn't define PATH_MAX. */
#if !defined (PATH_MAX) && defined(__GNU__)
# define PATH_MAX 4096
#endif
static inline char *
get_current_dir_name ()
{
/* Use libiberty's allocator here. */
char *buf = (char *) xmalloc (PATH_MAX);
return getcwd (buf, PATH_MAX);
}
#endif
const char *
symbol_type_str( enum symbol_type_t type )
{

6
gcc/config.in
View file

@ -1624,6 +1624,12 @@
#endif
/* Define to 1 if you have the `get_current_dir_name' function. */
#ifndef USED_FOR_TARGET
#undef HAVE_GET_CURRENT_DIR_NAME
#endif
/* Define to 1 if using GNU as. */
#ifndef USED_FOR_TARGET
#undef HAVE_GNU_AS

2
gcc/configure vendored
View file

@ -10640,7 +10640,7 @@ for ac_func in times clock kill getrlimit setrlimit atoq \
popen sysconf strsignal getrusage nl_langinfo \
gettimeofday mbstowcs wcswidth mmap posix_fallocate setlocale \
clearerr_unlocked feof_unlocked ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked putchar_unlocked putc_unlocked madvise mallinfo mallinfo2 fstatat getauxval \
clock_gettime munmap msync
clock_gettime munmap msync get_current_dir_name
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"

2
gcc/configure.ac
View file

@ -1574,7 +1574,7 @@ AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoq \
popen sysconf strsignal getrusage nl_langinfo \
gettimeofday mbstowcs wcswidth mmap posix_fallocate setlocale \
gcc_UNLOCKED_FUNCS madvise mallinfo mallinfo2 fstatat getauxval \
clock_gettime munmap msync)
clock_gettime munmap msync get_current_dir_name)
# At least for glibc, clock_gettime is in librt. But don't pull that
# in if it still doesn't give us the function we want.