* gmake.defs (DEBUG_FLAG, DEBUG_LINK) [!NODEBUG]:

  Don't hardcode -gstabs+, use DEBUG_INFO.

* configure.bat (gccdebug): Check for DWARF-2 support in GCC.
  Default to stabs if the compiler does not support DWARF-2.
  (genmakefiles): Write new variable DEBUG_INFO to config.settings.

1 files changed, 17 insertions, 1 deletions

diff --git a/nt/configure.bat b/nt/configure.bat
index 957ed14b949..3dd9a7fcc24 100755
--- a/nt/configure.bat
+++ b/nt/configure.bat
@@ -319,11 +319,26 @@ echo The failed program was: >>config.log
 type junk.c >>config.log

 set mf=-mcpu=i686

 rm -f junk.c junk.o

-goto compilercheckdone

+goto gccdebug

 :gccMtuneOk

 echo GCC supports -mtune=pentium4 >>config.log

 set mf=-mtune=pentium4

 rm -f junk.c junk.o

+:gccdebug

+rem Check for DWARF-2 debug info support, else default to stabs

+echo main(){} >junk.c

+echo gcc -c -gdwarf-2 -g3 junk.c >>config.log

+gcc -c -gdwarf-2 -g3 junk.c >>config.log 2>&1

+if not errorlevel 1 goto gccdwarf

+echo The failed program was: >>config.log

+type junk.c >>config.log

+set dbginfo=-gstabs+

+rm -f junk.c junk.o

+goto compilercheckdone

+:gccdwarf

+echo GCC supports DWARF-2 >>config.log

+set dbginfo=-gdwarf-2 -g3

+rm -f junk.c junk.o

 goto compilercheckdone

 

 :clOk

@@ -474,6 +489,7 @@ rem
 echo # Start of settings from configure.bat >config.settings

 echo COMPILER=%COMPILER%>>config.settings

 if not "(%mf%)" == "()" echo MCPU_FLAG=%mf%>>config.settings

+if not "(%dbginfo%)" == "()" echo DEBUG_INFO=%dbginfo%>>config.settings

 if (%nodebug%) == (Y) echo NODEBUG=1 >>config.settings

 if (%noopt%) == (Y) echo NOOPT=1 >>config.settings

 if (%nocygwin%) == (Y) echo NOCYGWIN=1 >>config.settings