1 #!/bin/sh

2

3 opt=false

4 dbg=true

5

6 while [ $# -gt 0 ]; do

7 case $1 in

8 --prefix=*)

9 PREFIX=`echo $1 | sed 's/--prefix=//'`

10 ;;

11 --enable-*)

12 `echo $1 | sed 's/--enable-//'`=true

13 ;;

14 --disable-*)

15 `echo $1 | sed 's/--disable-//'`=false

16 ;;

17 esac

18 shift

19 done

20

21 echo '# Generated makefile, do not edit' >Makefile

22 echo "PREFIX = $PREFIX" >>Makefile

23 if $opt; then

24 echo 'opt = -O3 -ffast-math' >>Makefile

25 fi

26 if $dbg; then

27 echo 'dbg = -g' >>Makefile

28 fi

29

30 # determine the C++11 flags we need to pass to the C++ compiler

31 if [ -z "$CXX" ]; then

32 CXX=c++

33 fi

34

35 verstr=`$CXX --version`

36 if echo "$verstr" | grep LLVM; then

37 if echo | $CXX -c -x c++ -o /dev/null -std=c++11 - >/dev/null 2>&1; then

38 cxxflags11='-std=c++11 -stdlib=libc++'

39 ldflags11='-stdlib=libc++'

40 fi

41 else

42 if echo | $CXX -c -x c++ -o /dev/null -std=c++11 - >/dev/null 2>&1; then

43 cxxflags11='-std=c++11'

44 elif echo | $CXX -c -x c++ -o /dev/null -std=c++0x - >/dev/null 2>&1; then

45 cxxflags11='-std=c++0x'

46 fi

47 fi

48 if [ -z "$cxxflags11" ]; then

49 echo 'Failed to find C++11 capable compiler.'

50 fi

51

52 echo "cxx11_cflags = $cxxflags11" >>Makefile

53 if [ -n "$ldflags11" ]; then

54 echo "cxx11_ldflags = $ldflags11" >>Makefile

55 fi

56

57 cat Makefile.in >>Makefile