1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
dnl GNOME_COMPILE_WARNINGS
dnl Turn on many useful compiler warnings
dnl For now, only works on GCC
AC_DEFUN([GNOME_COMPILE_WARNINGS],[
AC_ARG_ENABLE(compile-warnings,
[ --enable-compile-warnings=[no/minimum/yes] Turn on compiler warnings.],,enable_compile_warnings=minimum)
AC_MSG_CHECKING(what warning flags to pass to the C compiler)
warnCFLAGS=
if test "x$enable_compile_warnings" != "xno"; then
if test "x$GCC" = "xyes"; then
case " $CFLAGS " in
*[\ \ ]-Wall[\ \ ]*) ;;
*) warnCFLAGS="-Wall -Wno-unused" ;;
esac
## -W is not all that useful. And it cannot be controlled
## with individual -Wno-xxx flags, unlike -Wall
if test "x$enable_compile_warnings" = "xyes"; then
warnCFLAGS="$warnCFLAGS -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith"
fi
fi
fi
AC_MSG_RESULT($warnCFLAGS)
AC_ARG_ENABLE(iso-c,
[ --enable-iso-c Try to warn if code is not ISO C ],,
enable_iso_c=no)
AC_MSG_CHECKING(what language compliance flags to pass to the C compiler)
complCFLAGS=
if test "x$enable_iso_c" != "xno"; then
if test "x$GCC" = "xyes"; then
case " $CFLAGS " in
*[\ \ ]-ansi[\ \ ]*) ;;
*) complCFLAGS="$complCFLAGS -ansi" ;;
esac
case " $CFLAGS " in
*[\ \ ]-pedantic[\ \ ]*) ;;
*) complCFLAGS="$complCFLAGS -pedantic" ;;
esac
fi
fi
AC_MSG_RESULT($complCFLAGS)
CFLAGS="$CFLAGS $warnCFLAGS $complCFLAGS"
])
dnl For C++, do basically the same thing.
AC_DEFUN([GNOME_CXX_WARNINGS],[
AC_ARG_ENABLE(cxx-warnings,
[ --enable-cxx-warnings=[no/minimum/yes] Turn on compiler warnings.],,enable_cxx_warnings=minimum)
AC_MSG_CHECKING(what warning flags to pass to the C++ compiler)
warnCXXFLAGS=
if test "x$enable_cxx_warnings" != "xno"; then
if test "x$GCC" = "xyes"; then
case " $CXXFLAGS " in
*[\ \ ]-Wall[\ \ ]*) ;;
*) warnCXXFLAGS="-Wall -Wno-unused" ;;
esac
## -W is not all that useful. And it cannot be controlled
## with individual -Wno-xxx flags, unlike -Wall
if test "x$enable_cxx_warnings" = "xyes"; then
warnCXXFLAGS="$warnCXXFLAGS -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wshadow -Woverloaded-virtual"
fi
fi
fi
AC_MSG_RESULT($warnCXXFLAGS)
AC_ARG_ENABLE(iso-cxx,
[ --enable-iso-cxx Try to warn if code is not ISO C++ ],,
enable_iso_cxx=no)
AC_MSG_CHECKING(what language compliance flags to pass to the C++ compiler)
complCXXFLAGS=
if test "x$enable_iso_cxx" != "xno"; then
if test "x$GCC" = "xyes"; then
case " $CXXFLAGS " in
*[\ \ ]-ansi[\ \ ]*) ;;
*) complCXXFLAGS="$complCXXFLAGS -ansi" ;;
esac
case " $CXXFLAGS " in
*[\ \ ]-pedantic[\ \ ]*) ;;
*) complCXXFLAGS="$complCXXFLAGS -pedantic" ;;
esac
fi
fi
AC_MSG_RESULT($complCXXFLAGS)
CXXFLAGS="$CXXFLAGS $warnCXXFLAGS $complCXXFLAGS"
])
|
