patches/dmalloc/5.5.2/120-g++_check.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Nov 23 21:35:28 2010 +0100 (2010-11-23)
branch1.9
changeset 2198 6d909657dbdf
permissions -rw-r--r--
scripts/xldd: better find sysroot with old gcc

Only starting with 4.4 does gcc have a -print-sysroot option.
For 4.3 or before, we have to play some tricks:
- ask gcc where libc.so is,
(we expect it in ${sysroot}/usr/lib/libc.so)
- trim /usr/lib/libc.so from the result

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from aa2305c5b2a57fbcda9a1b5bb5fb3a476ac49a13)
     1 Correctly check for g++ existence.
     2 
     3 Copyright 2007 Yann E. MORIN <yann.morin.1998@anciens.enib.fr>
     4 Licensed to you as dmalloc-5.5.2 is.
     5 
     6 diff -dur dmalloc-5.5.2.orig/configure dmalloc-5.5.2/configure
     7 --- dmalloc-5.5.2.orig/configure	2007-05-18 11:40:31.000000000 +0200
     8 +++ dmalloc-5.5.2/configure	2007-05-18 11:42:02.000000000 +0200
     9 @@ -2643,7 +2643,7 @@
    10  
    11  
    12  # see if we actually have a CXX program
    13 -if test "$ac_cv_prog_CXX" = "" -o ! -x "$ac_cv_prog_CXX"; then
    14 +if test "$ac_cv_prog_CXX" = "" -o ! -x `which "$ac_cv_prog_CXX"`; then
    15      { echo "$as_me:$LINENO: WARNING: could not find C++ compiler $ac_cv_prog_CXX" >&5
    16  echo "$as_me: WARNING: could not find C++ compiler $ac_cv_prog_CXX" >&2;}
    17      enable_cxx=no