generate dependencies with default c++ compiler or gcc or clang or

makedepend - whatever is available first

src/Makefile.template

@@ -672,7 +672,7 @@ ifeq (makedepend,$(MAKEDEPEND))
 else #gcc -MM
 	@echo 'Generating dependencies'
 	@find $(SRCDIR) -name "*.$(EXT_SRC_C)" -o -name "*.$(EXT_SRC_CPP)" \
-	-exec $(MAKEDEPEND) $(COMPFLAGS_CPP) $(INCLUDES) {} -MT {}.o \; >.depend
+	-exec $(MAKEDEPEND) $(MAKEDEPENDOPTS) $(COMPFLAGS_CPP) $(INCLUDES) {} -MT {}.o \; >.depend
 	@( find . -name "*.$(EXT_INP_SWIG)" | cut -c 3- ; find $(CONFIGPATH)/shogun/ -name "*.h"  ) | \
 	 		sed 's#/[/]*#/#g' | \
 			$(PYTHON) $(CONFIGPATH)/.generate_link_dependencies.py "$(PRE_LIB_SWIG_TEMPLATE)" \

src/configure

@@ -16,7 +16,7 @@ DATAVER=`grep "SHOGUN Release version" NEWS 2>&1 | head -n 1 | cut -d ',' -f 3 |
 # some hopefully reasonable defaults
 LDD=ldd
 POSTLINKCMD="true"
-MAKEDEPEND="gcc -MM"
+MAKEDEPEND=
 MAKEDEPENDOPTS=""
 SRCDIR="`dirname $0`"
 LIBRARY_PATH=LD_LIBRARY_PATH
@@ -1189,17 +1189,28 @@ check_makedepend()
 cat > $TMPC << EOF
 int main(void) { return 0; }
 EOF
-	if $MAKEDEPEND $TMPC >/dev/null 2>&1
-	then
-		echores "$MAKEDEPEND"
-	elif makedepend -f - $TMPC >/dev/null 2>&1
+	for DEPGEN in $COMP_CPP g++ clang++
+	do
+		if $DEPGEN -MM $TMPC >/dev/null 2>&1
+		then
+			echores "$DEPGEN -MM"
+			MAKEDEPEND="$DEPGEN"
+			MAKEDEPENDOPTS="-MM"
+			break
+		fi
+	done
+
+	if test -z "$MAKEDEPEND"
 	then
-		MAKEDEPEND=makedepend
-		MAKEDEPENDOPTS="-f -"
-		echores "$MAKEDEPEND"
-	else
-		echores "no"
-		die "neither gcc nor makedepend found, but required to proceed. please install gcc or xutils-dev"
+		if makedepend -f - $TMPC >/dev/null 2>&1
+		then
+			MAKEDEPEND=makedepend
+			MAKEDEPENDOPTS="-f -"
+			echores "$MAKEDEPEND"
+		else
+			echores "no"
+			die "neither gcc nor makedepend found, but required to proceed. please install gcc or xutils-dev"
+		fi
 	fi
 }