diff options
Diffstat (limited to 'gcc/cppfiles.c')
| -rw-r--r-- | gcc/cppfiles.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gcc/cppfiles.c b/gcc/cppfiles.c index 676c9d5..71bb657 100644 --- a/gcc/cppfiles.c +++ b/gcc/cppfiles.c @@ -39,6 +39,10 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ # define MMAP_THRESHOLD 0 #endif +#ifndef O_BINARY +# define O_BINARY 0 +#endif + static IHASH *redundant_include_p PARAMS ((IHASH *, struct file_name_list *)); static IHASH *make_IHASH PARAMS ((const char *, const char *, struct file_name_list *, @@ -216,14 +220,18 @@ make_IHASH (name, fname, path, hash, slot) paranoia is a virtue). Use the three-argument form of open even though we aren't - specifying O_CREAT, to defend against broken system headers. */ + specifying O_CREAT, to defend against broken system headers. + + O_BINARY tells some runtime libraries (notably DJGPP) not to do + newline translation; we can handle DOS line breaks just fine + ourselves. */ static inline int open_include_file (pfile, filename) cpp_reader *pfile ATTRIBUTE_UNUSED; const char *filename; { - return open (filename, O_RDONLY|O_NOCTTY, 0666); + return open (filename, O_RDONLY|O_NOCTTY|O_BINARY, 0666); } /* Search for include file FNAME in the include chain starting at |