* gfortran.h (gfc_option_t): Add flag_backtrace field.

	* lang.opt: Add -fbacktrace option.
	* invoke.texi: Document the new option.
	* trans-decl.c (gfc_build_builtin_function_decls): Add new
	option to the call to set_std.
	* options.c (gfc_init_options, gfc_handle_option): Handle the
	new option.

	* runtime/backtrace.c: New file.
	* runtime/environ.c (variable_table): New GFORTRAN_ERROR_BACKTRACE
	environment variable.
	* runtime/compile_options.c (set_std): Add new argument.
	* runtime/main.c (store_exe_path, full_exe_path): New functions.
	* runtime/error.c (sys_exit): Add call to show_backtrace.
	* libgfortran.h (options_t): New backtrace field.
	(store_exe_path, full_exe_path, show_backtrace): New prototypes.
	* configure.ac: Add checks for execinfo.h, execvp, pipe, dup2,
	close, fdopen, strcasestr, getrlimit, backtrace, backtrace_symbols
	and getppid.
	* Makefile.am: Add runtime/backtrace.c.
	* fmain.c (main): Add call to store_exe_path.
	* Makefile.in: Renegerate.
	* config.h.in: Renegerate.
	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@122954 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 11 insertions, 2 deletions

diff --git a/libgfortran/Makefile.in b/libgfortran/Makefile.in
index c1ff053d0d7..8e10976943e 100644
--- a/libgfortran/Makefile.in
+++ b/libgfortran/Makefile.in
@@ -71,8 +71,8 @@ myexeclibLTLIBRARIES_INSTALL = $(INSTALL)
 toolexeclibLTLIBRARIES_INSTALL = $(INSTALL)
 LTLIBRARIES = $(myexeclib_LTLIBRARIES) $(toolexeclib_LTLIBRARIES)
 libgfortran_la_LIBADD =
-am__objects_1 = compile_options.lo environ.lo error.lo fpu.lo main.lo \
-	memory.lo pause.lo stop.lo string.lo select.lo
+am__objects_1 = backtrace.lo compile_options.lo environ.lo error.lo \
+	fpu.lo main.lo memory.lo pause.lo stop.lo string.lo select.lo
 am__objects_2 = all_l4.lo all_l8.lo all_l16.lo
 am__objects_3 = any_l4.lo any_l8.lo any_l16.lo
 am__objects_4 = count_4_l4.lo count_8_l4.lo count_16_l4.lo \
@@ -476,6 +476,7 @@ runtime/in_pack_generic.c \
 runtime/in_unpack_generic.c
 
 gfor_src = \
+runtime/backtrace.c \
 runtime/compile_options.c \
 runtime/environ.c \
 runtime/error.c \
@@ -1141,6 +1142,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/any_l8.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/args.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/associated.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/backtrace.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/c99_functions.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/chdir.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/chmod.Plo@am__quote@
@@ -1942,6 +1944,13 @@ f2c_specifics.lo: intrinsics/f2c_specifics.F90
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
 
+backtrace.lo: runtime/backtrace.c
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT backtrace.lo -MD -MP -MF "$(DEPDIR)/backtrace.Tpo" -c -o backtrace.lo `test -f 'runtime/backtrace.c' || echo '$(srcdir)/'`runtime/backtrace.c; \
+@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/backtrace.Tpo" "$(DEPDIR)/backtrace.Plo"; else rm -f "$(DEPDIR)/backtrace.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='runtime/backtrace.c' object='backtrace.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o backtrace.lo `test -f 'runtime/backtrace.c' || echo '$(srcdir)/'`runtime/backtrace.c
+
 compile_options.lo: runtime/compile_options.c
 @am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT compile_options.lo -MD -MP -MF "$(DEPDIR)/compile_options.Tpo" -c -o compile_options.lo `test -f 'runtime/compile_options.c' || echo '$(srcdir)/'`runtime/compile_options.c; \
 @am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/compile_options.Tpo" "$(DEPDIR)/compile_options.Plo"; else rm -f "$(DEPDIR)/compile_options.Tpo"; exit 1; fi