config/qt.m4

   1 dnl find a binary in the path
   2 AC_DEFUN(QT_FIND_PATH,
   3 [
   4         AC_MSG_CHECKING([for $1])
   5         AC_CACHE_VAL(qt_cv_path_$1,
   6         [
   7                 qt_cv_path_$1="NONE"
   8                 if test -n "$$2"; then
   9                         qt_cv_path_$1="$$2";
  10                 else
  11                         dirs="$3"
  12                         qt_save_IFS=$IFS
  13                         IFS=':'
  14                         for dir in $PATH; do
  15                                 dirs="$dirs $dir"
  16                         done
  17                         IFS=$qt_save_IFS
  18
  19                         for dir in $dirs; do
  20                                 if test -x "$dir/$1"; then
  21                                         if test -n "$5"; then
  22                                                 evalstr="$dir/$1 $5 2>&1 "
  23                                                 if eval $evalstr; then
  24                                                         qt_cv_path_$1="$dir/$1"
  25                                                         break
  26                                                 fi
  27                                         else
  28                                                 qt_cv_path_$1="$dir/$1"
  29                                                 break
  30                                         fi
  31                                 fi
  32                         done
  33                 fi
  34         ])
  35
  36         if test -z "$qt_cv_path_$1" || test "$qt_cv_path_$1" = "NONE"; then
  37                 AC_MSG_RESULT(not found)
  38                 $4
  39         else
  40                 AC_MSG_RESULT($qt_cv_path_$1)
  41                 $2=$qt_cv_path_$1
  42         fi
  43 ])
  44
  45 dnl Find the uic compiler on the path or in qt_cv_dir
  46 AC_DEFUN(QT_FIND_UIC,
  47 [
  48         QT_FIND_PATH(uic, ac_uic, $qt_cv_dir/bin)
  49         if test -z "$ac_uic" -a "$FATAL" = 1; then
  50                 AC_MSG_ERROR([uic binary not found in \$PATH or $qt_cv_dir/bin !])
  51         fi
  52 ])
  53
  54 dnl Find the right moc in path/qt_cv_dir
  55 AC_DEFUN(QT_FIND_MOC,
  56 [
  57         QT_FIND_PATH(moc2, ac_moc2, $qt_cv_dir/bin)
  58         QT_FIND_PATH(moc, ac_moc1, $qt_cv_dir/bin)
  59
  60         if test -n "$ac_moc1" -a -n "$ac_moc2"; then
  61                 dnl found both. Prefer Qt3's if it exists else moc2
  62                 $ac_moc1 -v 2>&1 | grep "Qt 3" >/dev/null
  63                 if test "$?" = 0; then
  64                         ac_moc=$ac_moc1;
  65                 else
  66                         ac_moc=$ac_moc2;
  67                 fi
  68         else
  69                 if test -n "$ac_moc1"; then
  70                         ac_moc=$ac_moc1;
  71                 else
  72                         ac_moc=$ac_moc2;
  73                 fi
  74         fi
  75
  76         if test -z "$ac_moc"  -a "$FATAL" = 1; then
  77                 AC_MSG_ERROR([moc binary not found in \$PATH or $qt_cv_dir/bin !])
  78         fi
  79 ])
  80
  81 dnl check a particular libname
  82 AC_DEFUN(QT_TRY_LINK,
  83 [
  84         CXXFLAGS="$BASE_CXXFLAGS $1"
  85         AC_TRY_LINK([
  86         #include <qglobal.h>
  87         #include <qstring.h>
  88                 ],
  89         [
  90         QString s("mangle_failure");
  91         #if (QT_VERSION < 221)
  92         break_me_(\\\);
  93         #endif
  94         ],
  95         qt_cv_libname=$1,
  96         )
  97         CXXFLAGS="$BASE_CXXFLAGS"
  98 ])
  99
 100 dnl check we can do a compile
 101 AC_DEFUN(QT_CHECK_COMPILE,
 102 [
 103         AC_MSG_CHECKING([for Qt library name])
 104
 105         AC_CACHE_VAL(qt_cv_libname,
 106         [
 107                 AC_LANG_CPLUSPLUS
 108                 SAVE_CXXFLAGS=$CXXFLAGS
 109                 BASE_CXXFLAGS="$CXXFLAGS $QT_INCLUDES $QT_LDFLAGS"
 110
 111                 for libname in -lqt3 -lqt2 -lqt -lqt-mt;
 112                 do
 113                         QT_TRY_LINK($libname)
 114                         if test -n "$qt_cv_libname"; then
 115                                 break;
 116                         fi
 117                 done
 118
 119                 CXXFLAGS=$SAVE_CXXFLAGS
 120         ])
 121
 122         if test -z "$qt_cv_libname"; then
 123                 AC_MSG_RESULT([failed])
 124                 if test "$FATAL" = 1 ; then
 125                         AC_MSG_ERROR([Cannot compile a simple Qt executable. Check you have the right \$QTDIR !])
 126                 fi
 127         else
 128                 AC_MSG_RESULT([$qt_cv_libname])
 129         fi
 130 ])
 131
 132 dnl get Qt version we're using
 133 AC_DEFUN(QT_GET_VERSION,
 134 [
 135         AC_CACHE_CHECK([Qt version],lyx_cv_qtversion,
 136         [
 137                 AC_LANG_CPLUSPLUS
 138                 SAVE_CPPFLAGS=$CPPFLAGS
 139                 CPPFLAGS="$CPPFLAGS $QT_INCLUDES"
 140
 141                 cat > conftest.$ac_ext <<EOF
 142 #line __oline__ "configure"
 143 #include "confdefs.h"
 144 #include <qglobal.h>
 145 "%%%"QT_VERSION_STR"%%%"
 146 EOF
 147                 lyx_cv_qtversion=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
 148                         grep '^"%%%"'  2>/dev/null | \
 149                         sed -e 's/"%%%"//g' -e 's/"//g'`
 150                 rm -f conftest.$ac_ext
 151                 CPPFLAGS=$SAVE_CPPFLAGS
 152         ])
 153
 154         QT_VERSION=$lyx_cv_qtversion
 155         AC_SUBST(QT_VERSION)
 156 ])
 157
 158 dnl start here
 159 AC_DEFUN(QT_DO_IT_ALL,
 160 [
 161         dnl Please leave this alone. I use this file in
 162         dnl oprofile.
 163         FATAL=1
 164
 165         AC_ARG_WITH(qt-dir, [  --with-qt-dir           where the root of Qt is installed ],
 166                 [ qt_cv_dir=`eval echo "$withval"/` ])
 167
 168         AC_ARG_WITH(qt-includes, [  --with-qt-includes      where the Qt includes are. ],
 169                 [ qt_cv_includes=`eval echo "$withval"` ])
 170
 171         AC_ARG_WITH(qt-libraries, [  --with-qt-libraries     where the Qt library is installed.],
 172                 [  qt_cv_libraries=`eval echo "$withval"` ])
 173
 174         dnl pay attention to $QTDIR unless overridden
 175         if test -z "$qt_cv_dir"; then
 176                 qt_cv_dir=$QTDIR
 177         fi
 178
 179         dnl derive inc/lib if needed
 180         if test -n "$qt_cv_dir"; then
 181                 if test -z "$qt_cv_includes"; then
 182                         qt_cv_includes=$qt_cv_dir/include
 183                 fi
 184                 if test -z "$qt_cv_libraries"; then
 185                         qt_cv_libraries=$qt_cv_dir/lib
 186                 fi
 187         fi
 188
 189         dnl flags for compilation
 190         QT_INCLUDES=
 191         QT_LDFLAGS=
 192         if test -n "$qt_cv_includes"; then
 193                 QT_INCLUDES="-I$qt_cv_includes"
 194         fi
 195         if test -n "$qt_cv_libraries"; then
 196                 QT_LDFLAGS="-L$qt_cv_libraries"
 197         fi
 198         AC_SUBST(QT_INCLUDES)
 199         AC_SUBST(QT_LDFLAGS)
 200
 201         QT_FIND_MOC
 202         MOC=$ac_moc
 203         AC_SUBST(MOC)
 204         QT_FIND_UIC
 205         UIC=$ac_uic
 206         AC_SUBST(UIC)
 207
 208         QT_CHECK_COMPILE
 209
 210         QT_LIB=$qt_cv_libname;
 211         AC_SUBST(QT_LIB)
 212
 213         QT_GET_VERSION
 214 ])