Hi. The patch is fix for Cygwin where we should not define HAVE_DOS_BASED_FILE_SYSTEM and use back slashes as a path component separator.
Patch can bootstrap on x86_64-linux-gnu and survives regression tests. I'm going to install the patch if there are no objections. Thanks, Martin ChangeLog: 2020-04-16 Martin Liska <mli...@suse.cz> Jonathan Yong <10wa...@gmail.com> PR gcov-profile/94570 * ltmain.sh: Do not define HAVE_DOS_BASED_FILE_SYSTEM for CYGWIN. gcc/ChangeLog: 2020-04-16 Martin Liska <mli...@suse.cz> Jonathan Yong <10wa...@gmail.com> PR gcov-profile/94570 * coverage.c (coverage_init): Use separator properly. include/ChangeLog: 2020-04-16 Martin Liska <mli...@suse.cz> Jonathan Yong <10wa...@gmail.com> PR gcov-profile/94570 * filenames.h (defined): Do not define HAVE_DOS_BASED_FILE_SYSTEM for CYGWIN. --- gcc/coverage.c | 12 ++++++------ include/filenames.h | 2 +- ltmain.sh | 2 +- 3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/gcc/coverage.c b/gcc/coverage.c index 30ae84df90f..30ac3540110 100644 --- a/gcc/coverage.c +++ b/gcc/coverage.c @@ -1199,6 +1199,11 @@ coverage_obj_finish (vec<constructor_elt, va_gc> *ctor) void coverage_init (const char *filename) { +#if HAVE_DOS_BASED_FILE_SYSTEM + const char *separator = "\\"; +#else + const char *separator = "/"; +#endif int len = strlen (filename); int prefix_len = 0; @@ -1215,11 +1220,6 @@ coverage_init (const char *filename) of filename in order to prevent file path clashing. */ if (profile_data_prefix) { -#if HAVE_DOS_BASED_FILE_SYSTEM - const char *separator = "\\"; -#else - const char *separator = "/"; -#endif filename = concat (getpwd (), separator, filename, NULL); filename = mangle_path (filename); len = strlen (filename); @@ -1238,7 +1238,7 @@ coverage_init (const char *filename) if (profile_data_prefix) { memcpy (da_file_name, profile_data_prefix, prefix_len); - da_file_name[prefix_len++] = '/'; + da_file_name[prefix_len++] = *separator; } memcpy (da_file_name + prefix_len, filename, len); strcpy (da_file_name + prefix_len + len, GCOV_DATA_SUFFIX); diff --git a/include/filenames.h b/include/filenames.h index 1ed441221ac..710d9c72687 100644 --- a/include/filenames.h +++ b/include/filenames.h @@ -32,7 +32,7 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. extern "C" { #endif -#if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__) +#if defined(__MSDOS__) || (defined(_WIN32) && ! defined(__CYGWIN__)) || defined(__OS2__) # ifndef HAVE_DOS_BASED_FILE_SYSTEM # define HAVE_DOS_BASED_FILE_SYSTEM 1 # endif diff --git a/ltmain.sh b/ltmain.sh index 79f9ba89af5..8ad183010f0 100644 --- a/ltmain.sh +++ b/ltmain.sh @@ -3425,7 +3425,7 @@ int setenv (const char *, const char *, int); # define PATH_SEPARATOR ':' #endif -#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ +#if (defined (_WIN32) && ! defined(__CYGWIN__)) || defined (__MSDOS__) || defined (__DJGPP__) || \ defined (__OS2__) # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb"