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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
1 |
dnl
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2 |
dnl Taken from gnome-common/macros2/gnome-compiler-flags.m4 |
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3 |
dnl
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4 |
dnl We've added: |
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5 |
dnl -Wextra -Wshadow -Wcast-align -Wwrite-strings -Waggregate-return -Wstrict-prototypes -Winline -Wredundant-decls
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6 |
dnl We've removed |
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7 |
dnl CFLAGS="$realsave_CFLAGS" |
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8 |
dnl to avoid clobbering user-specified CFLAGS |
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9 |
dnl
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10 |
AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[ |
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11 |
dnl ******************************
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12 |
dnl More compiler warnings
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13 |
dnl ******************************
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14 |
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15 |
AC_ARG_ENABLE(compile-warnings,
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3.4.14
by Guido Günther
* [70fbcb6] New patch 0007-nwfilter-Don-t-crash-if-driverState- NULL.patch |
16 |
[AC_HELP_STRING([--enable-compile-warnings=@<:@no/minimum/yes/maximum/error@:>@], |
17 |
[Turn on compiler warnings])],, |
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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
18 |
[enable_compile_warnings="m4_default([$1],[maximum])"]) |
19 |
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20 |
warnCFLAGS=
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21 |
||
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3.4.14
by Guido Günther
* [70fbcb6] New patch 0007-nwfilter-Don-t-crash-if-driverState- NULL.patch |
22 |
common_flags=
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23 |
common_flags="$common_flags -Wp,-D_FORTIFY_SOURCE=2" |
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24 |
common_flags="$common_flags -fexceptions" |
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25 |
common_flags="$common_flags -fasynchronous-unwind-tables" |
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26 |
common_flags="$common_flags -fdiagnostics-show-option" |
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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
27 |
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28 |
case "$enable_compile_warnings" in |
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29 |
no)
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1.1.3
by Soren Hansen
Import upstream version 0.3.3 |
30 |
try_compiler_flags=""
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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
31 |
;;
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32 |
minimum)
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1.1.4
by Soren Hansen
Import upstream version 0.4.0 |
33 |
try_compiler_flags="-Wall -Wformat -Wformat-security $common_flags" |
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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
34 |
;;
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35 |
yes)
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1.1.4
by Soren Hansen
Import upstream version 0.4.0 |
36 |
try_compiler_flags="-Wall -Wformat -Wformat-security -Wmissing-prototypes $common_flags" |
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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
37 |
;;
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38 |
maximum|error)
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3.4.18
by Laurent Léonard, Guido Günther, Laurent Léonard
[ Guido Günther ] |
39 |
try_compiler_flags="-Wall -Wformat -Wformat-security" |
40 |
try_compiler_flags="$try_compiler_flags -Wmissing-prototypes" |
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41 |
try_compiler_flags="$try_compiler_flags -Wnested-externs " |
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42 |
try_compiler_flags="$try_compiler_flags -Wpointer-arith" |
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43 |
try_compiler_flags="$try_compiler_flags -Wextra -Wshadow" |
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44 |
try_compiler_flags="$try_compiler_flags -Wcast-align" |
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45 |
try_compiler_flags="$try_compiler_flags -Wwrite-strings" |
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46 |
try_compiler_flags="$try_compiler_flags -Waggregate-return" |
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47 |
try_compiler_flags="$try_compiler_flags -Wstrict-prototypes" |
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48 |
try_compiler_flags="$try_compiler_flags -Winline" |
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49 |
try_compiler_flags="$try_compiler_flags -Wredundant-decls" |
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50 |
try_compiler_flags="$try_compiler_flags -Wno-sign-compare" |
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51 |
try_compiler_flags="$try_compiler_flags -Wlogical-op" |
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1.1.3
by Soren Hansen
Import upstream version 0.3.3 |
52 |
try_compiler_flags="$try_compiler_flags $common_flags" |
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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
53 |
if test "$enable_compile_warnings" = "error" ; then |
54 |
try_compiler_flags="$try_compiler_flags -Werror" |
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55 |
fi
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56 |
;;
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57 |
*)
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58 |
AC_MSG_ERROR(Unknown argument '$enable_compile_warnings' to --enable-compile-warnings)
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59 |
;;
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60 |
esac
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61 |
||
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1.1.9
by Soren Hansen
Import upstream version 0.6.0 |
62 |
COMPILER_FLAGS=
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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
63 |
for option in $try_compiler_flags; do
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1.1.9
by Soren Hansen
Import upstream version 0.6.0 |
64 |
gl_COMPILER_FLAGS($option)
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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
65 |
done
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66 |
unset option
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67 |
unset try_compiler_flags
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68 |
||
69 |
AC_ARG_ENABLE(iso-c,
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70 |
AC_HELP_STRING([--enable-iso-c],
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71 |
[Try to warn if code is not ISO C ]),,
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72 |
[enable_iso_c=no])
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73 |
||
74 |
AC_MSG_CHECKING(what language compliance flags to pass to the C compiler)
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75 |
complCFLAGS=
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76 |
if test "x$enable_iso_c" != "xno"; then |
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77 |
if test "x$GCC" = "xyes"; then |
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78 |
case " $CFLAGS " in |
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79 |
*[\ \ ]-ansi[\ \ ]*) ;;
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80 |
*) complCFLAGS="$complCFLAGS -ansi" ;; |
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81 |
esac
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82 |
case " $CFLAGS " in |
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83 |
*[\ \ ]-pedantic[\ \ ]*) ;;
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84 |
*) complCFLAGS="$complCFLAGS -pedantic" ;; |
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85 |
esac
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86 |
fi
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87 |
fi
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88 |
AC_MSG_RESULT($complCFLAGS)
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89 |
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1.1.9
by Soren Hansen
Import upstream version 0.6.0 |
90 |
WARN_CFLAGS="$COMPILER_FLAGS $complCFLAGS" |
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3.4.17
by Laurent Léonard
* Imported Upstream version 0.8.2 |
91 |
WARN_LDFLAGS=$WARN_CFLAGS
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92 |
AC_SUBST([WARN_CFLAGS])
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93 |
AC_SUBST([WARN_LDFLAGS])
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1.1.9
by Soren Hansen
Import upstream version 0.6.0 |
94 |
|
95 |
dnl Needed to keep compile quiet on python 2.4
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96 |
COMPILER_FLAGS=
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97 |
gl_COMPILER_FLAGS(-Wno-redundant-decls)
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98 |
WARN_PYTHON_CFLAGS=$COMPILER_FLAGS
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99 |
AC_SUBST(WARN_PYTHON_CFLAGS)
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1.1.1
by Chuck Short
Import upstream version 0.2.2 |
100 |
])
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1.1.5
by Soren Hansen
Import upstream version 0.4.2 |
101 |
|
102 |
||
103 |
dnl
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104 |
dnl To support the old pkg-config from RHEL4 vintage, we need
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105 |
dnl to define the PKG_PROG_PKG_CONFIG macro if its not already
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106 |
dnl present
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107 |
m4_ifndef([PKG_PROG_PKG_CONFIG],
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108 |
[AC_DEFUN([PKG_PROG_PKG_CONFIG],
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109 |
[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
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110 |
m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
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111 |
AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
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112 |
if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then |
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113 |
AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
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114 |
fi
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115 |
if test -n "$PKG_CONFIG"; then |
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116 |
_pkg_min_version=m4_default([$1], [0.9.0])
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117 |
AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
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118 |
if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
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119 |
AC_MSG_RESULT([yes])
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120 |
else
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121 |
AC_MSG_RESULT([no])
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122 |
PKG_CONFIG="" |
|
123 |
fi |
|
124 |
fi[]dnl |
|
125 |
])]) |