synfig-core/trunk/m4/subs.m4

   1
   2 ## AC_ARG_WARNINGS()
   3 ##
   4 ## Provide the --enable-warnings configure argument, set to 'minimum'
   5 ## by default.
   6 ##
   7 AC_DEFUN([AC_ARG_WARNINGS],
   8 [
   9   AC_ARG_ENABLE([warnings],
  10       [  --enable-warnings=[[none|minimum|maximum|hardcore]]
  11                           Control compiler pickyness.  [[default=maximum]]],
  12       [gtkmm_enable_warnings="$enableval"],
  13       gtkmm_enable_warnings="maximum")
  14
  15   AC_MSG_CHECKING([for compiler warning flags to use])
  16
  17   gtkmm_warning_flags=''
  18
  19   # -W is now known as -Wextra, but that's not known by gcc 2 or 3
  20   case "$gtkmm_enable_warnings" in
  21     none|no)     gtkmm_warning_flags='';;
  22     minimum|yes) gtkmm_warning_flags='-Wall -Wno-unused-parameter';;
  23     maximum)     gtkmm_warning_flags='-W -Wall';;
  24     hardcore)    gtkmm_warning_flags='-W -Wall -Werror';;
  25   esac
  26
  27   gtkmm_use_flags=''
  28
  29   if test "x$gtkmm_warning_flags" != "x"
  30   then
  31     echo 'int foo() { return 0; }' > conftest.cc
  32
  33     for flag in $gtkmm_warning_flags
  34     do
  35       # Test whether the compiler accepts the flag.  GCC doesn't bail
  36       # out when given an unsupported flag but prints a warning, so
  37       # check the compiler output instead.
  38       gtkmm_cxx_out="`$CXX $flag -c conftest.cc 2>&1`"
  39       rm -f conftest.$OBJEXT
  40       test "x${gtkmm_cxx_out}" = "x" && \
  41         gtkmm_use_flags="${gtkmm_use_flags:+$gtkmm_use_flags }$flag"
  42     done
  43
  44     rm -f conftest.cc
  45     gtkmm_cxx_out=''
  46   fi
  47
  48   if test "x$gtkmm_use_flags" != "x"
  49   then
  50     for flag in $gtkmm_use_flags
  51     do
  52       case " $CXXFLAGS " in
  53         *" $flag "*) ;; # don't add flags twice
  54         *)           CXXFLAGS="${CXXFLAGS:+$CXXFLAGS }$flag";;
  55       esac
  56     done
  57   else
  58     gtkmm_use_flags='none'
  59   fi
  60
  61   AC_MSG_RESULT([$gtkmm_use_flags])
  62 ])
  63
  64
  65
  66
  67 AC_DEFUN([AC_ARG_DEBUG],
  68 [
  69         AC_MSG_CHECKING([for debug flags])
  70
  71         AC_ARG_ENABLE(debug,[  --enable-debug           Build in debugging mode],[
  72                 debug=$enableval
  73         ],[
  74                 debug="no"
  75         ])
  76         debug_flags=''
  77
  78         case "$debug" in
  79                 yes)
  80                         debug_flags="-D_DEBUG -g"
  81                 ;;
  82                 half)
  83                         debug_flags="-DNDEBUG -g"
  84                 ;;
  85                 no|*)
  86                         debug_flags="-DNDEBUG"
  87                 ;;
  88         esac
  89
  90
  91         CXXFLAGS="`echo $CXXFLAGS | sed s:-g::` $debug_flags"
  92         CFLAGS="`echo $CFLAGS | sed s:-g::` $debug_flags"
  93
  94         AC_MSG_RESULT([$debug_flags])
  95 ])
  96
  97
  98
  99
 100 ## Optimisation level 2 in g++ 4.1 or g++ 4.2 breaks composition loading in the vector parsing function in loadcanvas.cpp (1509627)
 101 AC_DEFUN([AC_ARG_OPTIMIZATION],
 102 [
 103         AC_MSG_CHECKING([for optimization flags])
 104
 105         AC_ARG_ENABLE(optimization,[  --enable-optimization=[[0,1,2,3,4]] Select optimization level (default=2)],[
 106                 optimization=$enableval
 107         ],[
 108                 optimization="2"
 109         ])
 110         optimization_flags=''
 111         case "$optimization" in
 112                 0|no)   optimization_flags="-O0";;
 113                 1)              optimization_flags="-O1";;
 114                 2|yes)  optimization_flags="-O2";;
 115                 pass1)  optimization_flags="-O2 -fprofile-arcs";;
 116                 pass2)  optimization_flags="-O2 -fbranch-probabilities";;
 117                 3)              optimization_flags="-O3";;
 118                 *)              optimization_flags="-O4";;
 119         esac
 120         CXXFLAGS="`echo $CXXFLAGS | sed 's:-O.::g'` $optimization_flags"
 121         CFLAGS="`echo $CFLAGS | sed 's:-O.::g'` $optimization_flags"
 122         AC_MSG_RESULT([$optimization_flags])
 123 ])
 124
 125 AC_DEFUN([AC_ARG_PROFILE_ARCS],
 126 [
 127         AC_MSG_CHECKING([for arc profiling])
 128
 129         AC_ARG_ENABLE(profile-arcs,[  --enable-profile-arcs      Enable arc profiling],[
 130                 profile_arcs=$enableval
 131         ],[
 132                 profile_arcs=no
 133         ])
 134
 135         if test $profile_arcs = "yes" ; then {
 136                 CXXFLAGS="$CXXFLAGS -fprofile-arcs";
 137                 CFLAGS="$CFLAGS -fprofile-arcs";
 138         } ; fi
 139
 140         AC_MSG_RESULT([$profile_arcs])
 141 ])
 142
 143 AC_DEFUN([AC_ARG_BRANCH_PROBABILITIES],
 144 [
 145         AC_MSG_CHECKING([for branch-probabilities])
 146
 147         AC_ARG_ENABLE(branch-probabilities,[  --enable-branch-probabilities      Enable branch-probabilities],[
 148                 branch_probabilities=$enableval
 149         ],[
 150                 branch_probabilities=no
 151         ])
 152
 153         if test $branch_probabilities = "yes" ; then {
 154                 CXXFLAGS="$CXXFLAGS -fbranch-probabilities";
 155                 CFLAGS="$CFLAGS -fbranch-probabilities";
 156         } ; fi
 157
 158         AC_MSG_RESULT([$branch_probabilities])
 159 ])
 160
 161 AC_DEFUN([AC_ARG_PROFILING],
 162 [
 163         AC_MSG_CHECKING([for profiling])
 164
 165         AC_ARG_ENABLE(profiling,[  --enable-profiling      Enable profiling using gprof],[
 166                 profiling=$enableval
 167         ],[
 168                 profiling=no
 169         ])
 170
 171         if test $profiling = "yes" ; then {
 172                 CFLAGS="$CFLAGS -pg";
 173                 CXXFLAGS="$CXXFLAGS -pg";
 174                 LDFLAGS="$LDFLAGS -pg";
 175                 LIBS="$LIBS";
 176         } ; fi
 177
 178         AC_MSG_RESULT([$profiling])
 179 ])
 180
 181 MINGW_FLAGS="-mno-cygwin"
 182
 183
 184 AC_DEFUN([AC_WIN32_QUIRKS],
 185 [
 186
 187 case "$host" in
 188   *mingw*)
 189     AC_MSG_CHECKING([the flavor of the compiler])
 190     if ( $CC --version | grep -q mingw ) ; then {
 191         AC_MSG_RESULT([compiler is mingw special])
 192         LIBTOOL_PATCH_SED="
 193             s/dir=\"\$absdir\"/dir=\`cygpath -d -m \"\$absdir\"\`/;
 194             s/absdir=\`cd \"\$dir\" && pwd\`/absdir=\`cygpath -d -m \"\$dir\"\`/;
 195             s/# We need an absolute path/dir=\`cygpath -d -m \"\$dir\"\` # We need an absolute path/;
 196             s- /usr/lib- C:/mingw/lib-g;
 197             s-\"/lib -\"C:/mingw/lib -g;
 198             s- /lib/ - -g;
 199         ";
 200         sys_lib_dlsearch_path_spec="C:/mingw/lib"
 201         ac_default_prefix=`cygpath -d -m "$ac_default_prefix"`;
 202     } else {
 203     AC_MSG_RESULT([compiler is cygwin stock, adding -mno-cygwin])
 204     CPP="$CPP $MINGW_FLAGS"
 205     CC="$CC $MINGW_FLAGS"
 206     CXX="$CXX $MINGW_FLAGS -L/usr/$host/lib -I/usr/include/c++/3.3.3/$host"
 207     CXXCPP="$CXXCPP $MINGW_FLAGS"
 208
 209
 210 } ; fi
 211
 212     LTCC="gcc"
 213     CXXFLAGS="$CXXFLAGS -LC:/GTK/lib"
 214     CFLAGS="$CFLAGS -LC:/GTK/lib"
 215     LDFLAGS="$LDFLAGS -lole32 -no-undefined -Wl,--export-all-symbols -Wl,--subsystem=console -Wl,--enable-runtime-pseudo-reloc"
 216 dnl    LDFLAGS="$LDFLAGS -lole32 -no-undefined -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--subsystem=console -Wl,--enable-runtime-pseudo-reloc"
 217     ;;
 218   *cygwin*)
 219     LDFLAGS="$LDFLAGS -lole32 -no-undefined -Wl,--export-all-symbols"
 220 dnl    LDFLAGS="$LDFLAGS -lole32 -no-undefined -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--subsystem=console"
 221     CXXFLAGS="$CXXFLAGS -I/target/include"
 222     CFLAGS="$CFLAGS -I/target/include"
 223     ;;
 224   powerpc-apple*)
 225     echo Adding mac-specific optimization flags. . .
 226     CXXFLAGS="$CXXFLAGS $G5OPTFLAGS"
 227     ;;
 228 esac
 229
 230
 231 ])
 232
 233 AC_DEFUN([AC_LIBTOOL_PATCH],
 234 [
 235
 236 if [[ "$LIBTOOL_PATCH_SED""x" != "x" ]] ; then {
 237     printf "Patching libtool... "
 238     cat libtool | sed "$LIBTOOL_PATCH_SED" > libtool2
 239     rm libtool
 240     mv libtool2 libtool
 241     chmod +x libtool
 242     AC_MSG_RESULT([patched])
 243 } fi ;
 244
 245
 246 ])