synfig-studio/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 AC_DEFUN([AC_ARG_OPTIMIZATION],
 101 [
 102         AC_MSG_CHECKING([for optimization flags])
 103
 104         AC_ARG_ENABLE(optimization,[  --enable-optimization=[[0,1,2,3,4]] Select optimization level (default=2)],[
 105                 optimization=$enableval
 106         ],[
 107                 optimization="2"
 108         ])
 109         optimization_flags=''
 110         case "$optimization" in
 111                 0|no)   optimization_flags="-O0";;
 112                 1)              optimization_flags="-O1";;
 113                 2|yes)  optimization_flags="-O2";;
 114                 pass1)  optimization_flags="-O2 -fprofile-arcs";;
 115                 pass2)  optimization_flags="-O2 -fbranch-probabilities";;
 116                 3)              optimization_flags="-O3";;
 117                 *)              optimization_flags="-O4";;
 118         esac
 119         CXXFLAGS="`echo $CXXFLAGS | sed 's:-O.::g'` $optimization_flags"
 120         CFLAGS="`echo $CFLAGS | sed 's:-O.::g'` $optimization_flags"
 121         AC_MSG_RESULT([$optimization_flags])
 122 ])
 123
 124 AC_DEFUN([AC_ARG_PROFILE_ARCS],
 125 [
 126         AC_MSG_CHECKING([for arc profiling])
 127
 128         AC_ARG_ENABLE(profile-arcs,[  --enable-profile-arcs      Enable arc profiling],[
 129                 profile_arcs=$enableval
 130         ],[
 131                 profile_arcs=no
 132         ])
 133
 134         if test $profile_arcs = "yes" ; then {
 135                 CXXFLAGS="$CXXFLAGS -fprofile-arcs";
 136                 CFLAGS="$CFLAGS -fprofile-arcs";
 137         } ; fi
 138
 139         AC_MSG_RESULT([$profile_arcs])
 140 ])
 141
 142 AC_DEFUN([AC_ARG_BRANCH_PROBABILITIES],
 143 [
 144         AC_MSG_CHECKING([for branch-probabilities])
 145
 146         AC_ARG_ENABLE(branch-probabilities,[  --enable-branch-probabilities      Enable branch-probabilities],[
 147                 branch_probabilities=$enableval
 148         ],[
 149                 branch_probabilities=no
 150         ])
 151
 152         if test $branch_probabilities = "yes" ; then {
 153                 CXXFLAGS="$CXXFLAGS -fbranch-probabilities";
 154                 CFLAGS="$CFLAGS -fbranch-probabilities";
 155         } ; fi
 156
 157         AC_MSG_RESULT([$branch_probabilities])
 158 ])
 159
 160 AC_DEFUN([AC_ARG_PROFILING],
 161 [
 162         AC_MSG_CHECKING([for profiling])
 163
 164         AC_ARG_ENABLE(profiling,[  --enable-profiling      Enable profiling using gprof],[
 165                 profiling=$enableval
 166         ],[
 167                 profiling=no
 168         ])
 169
 170         if test $profiling = "yes" ; then {
 171                 CFLAGS="$CFLAGS -pg";
 172                 CXXFLAGS="$CXXFLAGS -pg";
 173                 LDFLAGS="$LDFLAGS -pg";
 174                 LIBS="$LIBS";
 175         } ; fi
 176
 177         AC_MSG_RESULT([$profiling])
 178 ])
 179
 180 MINGW_FLAGS="-mno-cygwin"
 181
 182
 183 AC_DEFUN([AC_WIN32_QUIRKS],
 184 [
 185
 186 case "$host" in
 187   *mingw*)
 188     AC_MSG_CHECKING([the flavor of the compiler])
 189     if ( $CC --version | grep -q mingw ) ; then {
 190         AC_MSG_RESULT([compiler is mingw special])
 191         LIBTOOL_PATCH_SED="
 192             s/dir=\"\$absdir\"/dir=\`cygpath -d -m \"\$absdir\"\`/;
 193             s/absdir=\`cd \"\$dir\" && pwd\`/absdir=\`cygpath -d -m \"\$dir\"\`/;
 194             s/# We need an absolute path/dir=\`cygpath -d -m \"\$dir\"\` # We need an absolute path/;
 195             s- /usr/lib- C:/mingw/lib-g;
 196             s-\"/lib -\"C:/mingw/lib -g;
 197             s- /lib/ - -g;
 198         ";
 199         sys_lib_dlsearch_path_spec="C:/mingw/lib"
 200         ac_default_prefix=`cygpath -d -m "$ac_default_prefix"`;
 201     } else {
 202     AC_MSG_RESULT([compiler is cygwin stock, adding -mno-cygwin])
 203     CPP="$CPP $MINGW_FLAGS"
 204     CC="$CC $MINGW_FLAGS"
 205     CXX="$CXX $MINGW_FLAGS -L/usr/$host/lib -I/usr/include/c++/3.3.3/$host"
 206     CXXCPP="$CXXCPP $MINGW_FLAGS"
 207
 208
 209 } ; fi
 210
 211     LTCC="gcc"
 212     CXXFLAGS="$CXXFLAGS -LC:/GTK/lib"
 213     CFLAGS="$CFLAGS -LC:/GTK/lib"
 214     LDFLAGS="$LDFLAGS -lole32 -no-undefined -Wl,--export-all-symbols -Wl,--subsystem=console -Wl,--enable-runtime-pseudo-reloc"
 215 dnl    LDFLAGS="$LDFLAGS -lole32 -no-undefined -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--subsystem=console -Wl,--enable-runtime-pseudo-reloc"
 216     ;;
 217   *cygwin*)
 218     LDFLAGS="$LDFLAGS -lole32 -no-undefined -Wl,--export-all-symbols"
 219 dnl    LDFLAGS="$LDFLAGS -lole32 -no-undefined -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--subsystem=console"
 220     CXXFLAGS="$CXXFLAGS -I/target/include"
 221     CFLAGS="$CFLAGS -I/target/include"
 222     ;;
 223   powerpc-apple*)
 224     echo Adding mac-specific optimization flags. . .
 225     CXXFLAGS="$CXXFLAGS $G5OPTFLAGS"
 226     ;;
 227 esac
 228
 229
 230 ])
 231
 232 AC_DEFUN([AC_LIBTOOL_PATCH],
 233 [
 234
 235 if [[ "$LIBTOOL_PATCH_SED""x" != "x" ]] ; then {
 236     printf "Patching libtool... "
 237     cat libtool | sed "$LIBTOOL_PATCH_SED" > libtool2
 238     rm libtool
 239     mv libtool2 libtool
 240     chmod +x libtool
 241     AC_MSG_RESULT([patched])
 242 } fi ;
 243
 244
 245 ])