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