Use CXX for CC needs to prevent using an old random compiler

Makefile.in

@@ -30,10 +30,10 @@ SETTINGSFILE = doc/settings.txt
 RESPONSESFILE = doc/responses.txt
 
 # defaults
-CXX = @CXX@ @STATIC@
+CXX = @CXX@
+CC = @CC@
 LD_DYNAMIC = @CXX@
 LD_STATIC = @CXX@ @STATIC@
-CXX_DEBUG = @CXX@
 LD_DEBUG = @CXX@
 STRIP = @STRIP@
 DIFF = @DIFF@
@@ -60,12 +60,12 @@ MAKE_DYNAMIC = $(MAKE) 'MAKE=$(MAKE)' 'CXX=$(CXX)' 'LD=$(LD_DYNAMIC)' 'INCLUDES=
 'STRIP=$(STRIP)' 'CXXFLAGS=$(CXXFLAGS)' 'CFLGS=$(CFLGS) -DBIN_TYPE_DYNAMIC' 'STRINGFIX=$(STRINGFIX)' \
 'LIBS=$(LIBS)' 'EGGEXEC=$(BINEXEC)' 'EGGBUILD=(wraith)'
 
-MAKE_DEBUG = $(MAKE) 'MAKE=$(MAKE)' 'CXX=$(CXX_DEBUG)' 'LD=$(LD_DEBUG) -g' 'INCLUDES=$(INCLUDES)' \
+MAKE_DEBUG = $(MAKE) 'MAKE=$(MAKE)' 'CXX=$(CXX)' 'LD=$(LD_DEBUG) -g' 'INCLUDES=$(INCLUDES)' \
 'CCDEPMODE=$(CCDEPMODE)' 'BRANCH=$(BRANCH)' 'COMMIT=$(COMMIT_SHORT)' 'BUILDTS=$(BUILDTS)' 'VERSION=$(VERSION)' \
 'STRIP=touch' 'CXXFLAGS=$(CXXFLAGS) $(DEBCXXFLAGS)' 'CFLGS=$(CFLGS) $(DEBCXXFLAGS) -DBIN_TYPE_DYNAMIC' 'STRINGFIX=' \
 'LIBS=$(LIBS)' 'EGGEXEC=$(BINEXEC)' 'EGGBUILD=(debug)'
 
-MAKE_UTILS = $(MAKE) 'MAKE=$(MAKE)' 'CXX=$(CXX_DEBUG)' 'STRIP=touch' 'INCLUDES=$(INCLUDES)' \
+MAKE_UTILS = $(MAKE) 'MAKE=$(MAKE)' 'CXX=$(CXX)' 'STRIP=touch' 'INCLUDES=$(INCLUDES)' \
 'CCDEPMODE=$(CCDEPMODE)' \
 'CXXFLAGS=$(CXXFLAGS) $(DEBCXXFLAGS)' 'CFLGS=$(CFLGS) $(DEBCXXFLAGS)' 'LIBS=$(LIBS)' 'LD=$(LD_DEBUG) -g'
 

build/autotools/configure.ac

@@ -16,7 +16,8 @@ dnl Search for newer gcc versions before older
 #AC_REQUIRE_CPP
 AC_LANG(C++)
 AC_PROG_CXX([g++49 g++-4.9 g++48 g++-4.8 g++47 g++-4.7 g++46 g++-4.6 g++45 g++-4.5 g++-4.4 g++-4.4.1 g++-4.4.2 g++-4.4.0 g++44 g++4 eg++ g++-3.3 g++33 g++-3 g++3 g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC])
-dnl AC_PROG_CC([gcc34 gcc-3.4 gcc33 gcc3 gcc-3.3 gcc cc c1])
+CC="${CXX} -x c"
+AC_SUBST(CC)
 EGG_CHECK_CC
 
 #checkpoint

configure

@@ -662,6 +662,7 @@ GCC3DEB
 GCC3_CXXFLAGS
 GCC3_CFLAGS
 CCDEPMODE
+CC
 OBJEXT
 EXEEXT
 ac_ct_CXX
@@ -2977,6 +2978,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
+CC="${CXX} -x c"
+
 
 if test "${cross_compiling-x}" = "x"
 then