config/qt4.m4

   1 dnl find a binary in the path
   2 AC_DEFUN([QT4_FIND_PATH],
   3 [
   4         AC_MSG_CHECKING([for $1])
   5         AC_CACHE_VAL(qt4_cv_path_$1,
   6         [
   7                 qt4_cv_path_$1="NONE"
   8                 if test -n "$$2"; then
   9                         qt4_cv_path_$1="$$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                                                         qt4_cv_path_$1="$dir/$1"
  25                                                         break
  26                                                 fi
  27                                         else
  28                                                 qt4_cv_path_$1="$dir/$1"
  29                                                 break
  30                                         fi
  31                                 fi
  32                         done
  33                 fi
  34         ])
  35
  36         if test -z "$qt4_cv_path_$1" || test "$qt4_cv_path_$1" = "NONE"; then
  37                 AC_MSG_RESULT(not found)
  38                 $4
  39         else
  40                 AC_MSG_RESULT($qt4_cv_path_$1)
  41                 $2=$qt4_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_UIC4],
  47 [
  48         QT4_FIND_PATH(uic, ac_uic4, $qt4_cv_dir/bin)
  49
  50         if test -z "$ac_uic4" -a "$FATAL" = 1; then
  51                 AC_MSG_ERROR([uic 4 binary not found in \$PATH or $qt4_cv_dir/bin !])
  52         fi
  53 ])
  54
  55 dnl Find the right moc in path/qt_cv_dir
  56 AC_DEFUN([QT_FIND_MOC4],
  57 [
  58         QT4_FIND_PATH(moc, ac_moc4, $qt4_cv_dir/bin)
  59
  60         if test -z "$ac_moc4"  -a "$FATAL" = 1; then
  61                 AC_MSG_ERROR([moc 4 binary not found in \$PATH or $qt4_cv_dir/bin !])
  62         fi
  63 ])
  64
  65 dnl check a particular libname
  66 AC_DEFUN([QT4_TRY_LINK],
  67 [
  68         SAVE_LIBS="$LIBS"
  69         LIBS="$LIBS $1"
  70         AC_TRY_LINK([
  71         #include <qglobal.h>
  72         #include <qstring.h>
  73                 ],
  74         [
  75         QString s("mangle_failure");
  76         #if (QT_VERSION < 400)
  77         break_me_(\\\);
  78         #endif
  79         ],
  80         qt4_cv_libname=$1,
  81         )
  82         LIBS="$SAVE_LIBS"
  83 ])
  84
  85 dnl check we can do a compile
  86 AC_DEFUN([QT4_CHECK_COMPILE],
  87 [
  88         AC_MSG_CHECKING([for Qt 4 library name])
  89
  90         AC_CACHE_VAL(qt4_cv_libname,
  91         [
  92                 AC_LANG_CPLUSPLUS
  93                 SAVE_CXXFLAGS=$CXXFLAGS
  94                 CXXFLAGS="$CXXFLAGS $QT4_INCLUDES $QT4_LDFLAGS"
  95                 for libname in '-lQtCore -lQtGui' \
  96                                '-lQtCore4 -lQtGui4'
  97                 do
  98                         QT4_TRY_LINK($libname)
  99                         if test -n "$qt4_cv_libname"; then
 100                                 break;
 101                         fi
 102                 done
 103                 CXXFLAGS=$SAVE_CXXFLAGS
 104         ])
 105
 106         if test -z "$qt4_cv_libname"; then
 107                 AC_MSG_RESULT([failed])
 108                 if test "$FATAL" = 1 ; then
 109                         AC_MSG_ERROR([Cannot compile a simple Qt 4 executable. Check you have the right \$QT4DIR !])
 110                 fi
 111         else
 112                 AC_MSG_RESULT([$qt4_cv_libname])
 113         fi
 114 ])
 115
 116 dnl get Qt version we're using
 117 AC_DEFUN([QT4_GET_VERSION],
 118 [
 119         AC_CACHE_CHECK([Qt 4 version],lyx_cv_qt4version,
 120         [
 121                 AC_LANG_CPLUSPLUS
 122                 SAVE_CPPFLAGS=$CPPFLAGS
 123                 CPPFLAGS="$CPPFLAGS $QT4_INCLUDES"
 124
 125                 cat > conftest.$ac_ext <<EOF
 126 #line __oline__ "configure"
 127 #include "confdefs.h"
 128 #include <qglobal.h>
 129 "%%%"QT_VERSION_STR"%%%"
 130 EOF
 131                 lyx_cv_qt4version=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
 132                         grep '^"%%%"'  2>/dev/null | \
 133                         sed -e 's/"%%%"//g' -e 's/"//g'`
 134                 rm -f conftest.$ac_ext
 135                 CPPFLAGS=$SAVE_CPPFLAGS
 136         ])
 137
 138         QT4_VERSION=$lyx_cv_qt4version
 139         AC_SUBST(QT4_VERSION)
 140 ])
 141
 142 dnl start here
 143 AC_DEFUN([QT4_DO_IT_ALL],
 144 [
 145         dnl this variable is precious
 146         AC_ARG_VAR(QT4DIR, [the place where the Qt 4 files are, e.g. /usr/lib/qt4])
 147
 148         dnl Please leave this alone. I use this file in
 149         dnl oprofile.
 150         FATAL=0
 151
 152         AC_ARG_WITH(qt4-dir, [  --with-qt4-dir           where the root of Qt 4 is installed ],
 153                 [ qt4_cv_dir=`eval echo "$withval"/` ])
 154
 155         AC_ARG_WITH(qt4-includes, [  --with-qt4-includes      where the Qt 4 includes are. ],
 156                 [ qt4_cv_includes=`eval echo "$withval"` ])
 157
 158         AC_ARG_WITH(qt4-libraries, [  --with-qt4-libraries     where the Qt 4 library is installed.],
 159                 [  qt4_cv_libraries=`eval echo "$withval"` ])
 160
 161         dnl pay attention to $QT4DIR unless overridden
 162         if test -z "$qt4_cv_dir"; then
 163                 qt4_cv_dir=$QT4DIR
 164         fi
 165
 166         dnl derive inc/lib if needed
 167         if test -n "$qt4_cv_dir"; then
 168                 if test -z "$qt4_cv_includes"; then
 169                         qt4_cv_includes=$qt4_cv_dir/include
 170                 fi
 171                 if test -z "$qt4_cv_libraries"; then
 172                         qt4_cv_libraries=$qt4_cv_dir/lib
 173                 fi
 174         fi
 175
 176         dnl flags for compilation
 177         QT4_INCLUDES=
 178         QT4_LDFLAGS=
 179         if test -n "$qt4_cv_includes"; then
 180                 QT4_INCLUDES="-I$qt4_cv_includes"
 181                 for i in Qt QtCore QtGui; do
 182                         QT4_INCLUDES="$QT4_INCLUDES -I$qt4_cv_includes/$i"
 183                 done
 184         fi
 185         if test -n "$qt4_cv_libraries"; then
 186                 QT4_LDFLAGS="-L$qt4_cv_libraries"
 187         fi
 188         AC_SUBST(QT4_INCLUDES)
 189         AC_SUBST(QT4_LDFLAGS)
 190
 191         dnl Preprocessor flags
 192         QT4_CPPFLAGS="-DQT_CLEAN_NAMESPACE -DQT_GENUINE_STR -DQT_NO_STL -DQT3_SUPPORT -DQT_NO_KEYWORDS"
 193         case ${host} in
 194         *mingw*) QT4_CPPFLAGS="-DQT_DLL $QT4_CPPFLAGS";;
 195         esac
 196         AC_SUBST(QT4_CPPFLAGS)
 197
 198         if test -z "$MOC4"; then
 199                 QT_FIND_MOC4
 200                 MOC4=$ac_moc4
 201         fi
 202         AC_SUBST(MOC4)
 203         if test -z "$UIC4"; then
 204                 QT_FIND_UIC4
 205                 UIC4=$ac_uic4
 206         fi
 207         AC_SUBST(UIC4)
 208
 209         QT4_CHECK_COMPILE
 210
 211         QT4_LIB=$qt4_cv_libname;
 212         AC_SUBST(QT4_LIB)
 213
 214         if test -n "$qt4_cv_libname"; then
 215                 QT4_GET_VERSION
 216         fi
 217 ])