gpiv_matrix and gpiv_free_matrix adapted for new interface, optimized
[gpiv.git] / macros / compiler-flags.m4
blob63f8e2e6ac5e3645d546b04430b3b1b2375d8da4
1 dnl GNOME_COMPILE_WARNINGS
2 dnl Turn on many useful compiler warnings
3 dnl For now, only works on GCC
4 AC_DEFUN([GNOME_COMPILE_WARNINGS],[
5   AC_ARG_ENABLE(compile-warnings, 
6     [  --enable-compile-warnings=[no/minimum/yes]       Turn on compiler warnings.],,enable_compile_warnings=minimum)
8   AC_MSG_CHECKING(what warning flags to pass to the C compiler)
9   warnCFLAGS=
10   if test "x$GCC" != xyes; then
11     enable_compile_warnings=no
12   fi
14   if test "x$enable_compile_warnings" != "xno"; then
15     if test "x$GCC" = "xyes"; then
16       case " $CFLAGS " in
17       *[\ \     ]-Wall[\ \      ]*) ;;
18       *) warnCFLAGS="-Wall -Wunused" ;;
19       esac
21       ## -W is not all that useful.  And it cannot be controlled
22       ## with individual -Wno-xxx flags, unlike -Wall
23       if test "x$enable_compile_warnings" = "xyes"; then
24         warnCFLAGS="$warnCFLAGS -Wmissing-prototypes -Wmissing-declarations"
25       fi
26     fi
27   fi
28   AC_MSG_RESULT($warnCFLAGS)
30   AC_ARG_ENABLE(iso-c,
31     [  --enable-iso-c          Try to warn if code is not ISO C ],,
32     enable_iso_c=no)
34   AC_MSG_CHECKING(what language compliance flags to pass to the C compiler)
35   complCFLAGS=
36   if test "x$enable_iso_c" != "xno"; then
37     if test "x$GCC" = "xyes"; then
38       case " $CFLAGS " in
39       *[\ \     ]-ansi[\ \      ]*) ;;
40       *) complCFLAGS="$complCFLAGS -ansi" ;;
41       esac
43       case " $CFLAGS " in
44       *[\ \     ]-pedantic[\ \  ]*) ;;
45       *) complCFLAGS="$complCFLAGS -pedantic" ;;
46       esac
47     fi
48   fi
49   AC_MSG_RESULT($complCFLAGS)
50   if test "x$cflags_set" != "xyes"; then
51     CFLAGS="$CFLAGS $warnCFLAGS $complCFLAGS"
52     cflags_set=yes
53     AC_SUBST(cflags_set)
54   fi
57 dnl For C++, do basically the same thing.
59 AC_DEFUN([GNOME_CXX_WARNINGS],[
60   AC_ARG_ENABLE(cxx-warnings, 
61     [  --enable-cxx-warnings=[no/minimum/yes]   Turn on compiler warnings.],,enable_cxx_warnings=minimum)
63   AC_MSG_CHECKING(what warning flags to pass to the C++ compiler)
64   warnCXXFLAGS=
65   if test "x$GCC" != xyes; then
66     enable_compile_warnings=no
67   fi
68   if test "x$enable_cxx_warnings" != "xno"; then
69     if test "x$GCC" = "xyes"; then
70       case " $CXXFLAGS " in
71       *[\ \     ]-Wall[\ \      ]*) ;;
72       *) warnCXXFLAGS="-Wall -Wno-unused" ;;
73       esac
75       ## -W is not all that useful.  And it cannot be controlled
76       ## with individual -Wno-xxx flags, unlike -Wall
77       if test "x$enable_cxx_warnings" = "xyes"; then
78         warnCXXFLAGS="$warnCXXFLAGS -Wmissing-prototypes -Wmissing-declarations -Wshadow -Woverloaded-virtual"
79       fi
80     fi
81   fi
82   AC_MSG_RESULT($warnCXXFLAGS)
84    AC_ARG_ENABLE(iso-cxx,
85      [  --enable-iso-cxx          Try to warn if code is not ISO C++ ],,
86      enable_iso_cxx=no)
88    AC_MSG_CHECKING(what language compliance flags to pass to the C++ compiler)
89    complCXXFLAGS=
90    if test "x$enable_iso_cxx" != "xno"; then
91      if test "x$GCC" = "xyes"; then
92       case " $CXXFLAGS " in
93       *[\ \     ]-ansi[\ \      ]*) ;;
94       *) complCXXFLAGS="$complCXXFLAGS -ansi" ;;
95       esac
97       case " $CXXFLAGS " in
98       *[\ \     ]-pedantic[\ \  ]*) ;;
99       *) complCXXFLAGS="$complCXXFLAGS -pedantic" ;;
100       esac
101      fi
102    fi
103   AC_MSG_RESULT($complCXXFLAGS)
104   if test "x$cxxflags_set" != "xyes"; then
105     CXXFLAGS="$CXXFLAGS $warnCXXFLAGS $complCXXFLAGS"
106     cxxflags_set=yes
107     AC_SUBST(cxxflags_set)
108   fi