new parameter -s textonly

[swftools.git] / m4 / freetype.m4

diff --git a/m4/freetype.m4 b/m4/freetype.m4
index 02c53ea..f4ed031 100644 (file)
--- a/m4/freetype.m4
+++ b/m4/freetype.m4
@@ -3,6 +3,7 @@
 # Checks for:
 #    * freetype library (-lfreetype)
 #    * freetype headers (freetype2/freetype/freetype.h)
+#    * whether a freetype test program can be compiled
 # 
 # Environment set:
 #    * HAVE_FREETYPE
@@ -14,39 +15,133 @@
 # Substitutes:
 #
 
-AC_DEFUN(RFX_CHECK_FREETYPE,
+AC_DEFUN([RFX_CHECK_FREETYPE],
 [
-AC_CHECK_PROGS(FREETYPE_CONFIG, freetype-config,)
+
+AC_PATH_PROG([FREETYPE_CONFIG], [freetype-config],, ["$PATH:/usr/local/bin:/sw/bin:/opt/local/bin"])
+
 OLDCPPFLAGS="${CPPFLAGS}"
 OLDLIBS="${LIBS}"
-if test "x${FREETYPE_CONFIG}" != "x"; then
-    CPPFLAGS="$CFLAGS "`freetype-config --cflags`
+if test "x${FREETYPE_CONFIG}" '!=' "x"; then
+    CPPFLAGS="$CPPFLAGS "`$FREETYPE_CONFIG --cflags`
 else if test -d /usr/include/freetype2; then
-    CPPFLAGS="$CFLAGS -I/usr/include/freetype2"
+    CPPFLAGS="$CPPFLAGS -I/usr/include/freetype2"
 else if test -d /usr/local/include/freetype2; then
-    CPPFLAGS="$CFLAGS -I/usr/local/include/freetype2"
+    CPPFLAGS="$CPPFLAGS -I/usr/local/include/freetype2"
 fi 
 fi
 fi
-AC_CHECK_LIB(freetype, FT_Init_FreeType,HAVE_LIB_FREETYPE=1,)
-AC_CHECK_HEADERS(freetype/freetype.h,HAVE_FREETYPE_FREETYPE_H=1)
-if test "x${HAVE_LIB_FREETYPE}" != "x";then
-if test "x${HAVE_FREETYPE_FREETYPE_H}" != "x";then
-    HAVE_FREETYPE=1
+
+if test "x${FREETYPE_CONFIG}" '=' "x";then
+    # if we didn't find the freetype-config program, we won't
+    # know where the libs are expected to be. So just blindly
+    # try to link against them.
+    AC_CHECK_LIB([freetype], [FT_Init_FreeType],[HAVE_LIB_FREETYPE=1],)
+fi
+
+AC_CHECK_HEADERS([ft2build.h],[HAVE_FT2BUILD_H=1])
+if test "x${HAVE_FT2BUILD_H}" '=' "x";then
+    AC_CHECK_HEADERS([freetype/freetype.h],[HAVE_FREETYPE_FREETYPE_H=1])
 fi
+
+if test "x${HAVE_LIB_FREETYPE}" '!=' "x" -o \
+        "x${FREETYPE_CONFIG}" '!=' "x";then
+    if test "x${HAVE_FREETYPE_FREETYPE_H}" '!=' "x";then
+       HAVE_FREETYPE=1
+    fi
+    if test "x${HAVE_FT2BUILD_H}" '!=' "x";then
+       HAVE_FREETYPE=1
+    fi
 fi
-if test "x${HAVE_FREETYPE}" != "x"; then 
-    if test "x{$FREETYPE_CONFIG}" != "x"; then
-       LIBS="$LIBS "`freetype-config --libs`
+
+if test "x${HAVE_FREETYPE}" = "x1"; then 
+    if test "x${FREETYPE_CONFIG}" '!=' "x"; then
+       LIBS="$LIBS "`$FREETYPE_CONFIG --libs`
     else
        LIBS="$LIBS -lfreetype"
     fi
-    AC_DEFINE_UNQUOTED(HAVE_FREETYPE, 1)
-    AC_DEFINE_UNQUOTED(USE_FREETYPE, 1)  # for ttf2tp1
-else
-    CPPFLAGS=${OLDCPPFLAGS}
-    LIBS=${OLDLIBS}
+
+    if test "x${HAVE_FT2BUILD_H}" = "x1"; then
+       HAVE_FT2BUILD_H_DEFINE='#define HAVE_FT2BUILD_H'
+    fi
+
+    AC_MSG_CHECKING([whether we can compile the freetype test program])
+
+    cat > conftest.c << EOF
+$HAVE_FT2BUILD_H_DEFINE
+
+#ifdef HAVE_FT2BUILD_H
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_GLYPH_H
+#include FT_SIZES_H
+#include FT_SFNT_NAMES_H
+#include FT_TRUETYPE_IDS_H
+#include FT_OUTLINE_H
+#else
+#include <freetype/freetype.h>
+#include <freetype/ftglyph.h>
+#include <freetype/ftsizes.h>
+#include <freetype/ftsnames.h>
+#include <freetype/ttnameid.h>
+#include <freetype/ftoutln.h>
+#endif
+
+int main()
+{
+    FT_Library ftlibrary;
+    FT_Face face;
+    FT_Error error;
+    FT_ULong charcode;
+    FT_UInt gindex;
+    FT_Glyph glyph;
+    FT_BBox bbox;
+    FT_Matrix matrix;
+    FT_UInt i;
+    char* name = 0;
+    char italic, bold;
+   
+    FT_Init_FreeType(&ftlibrary);
+    FT_New_Face(ftlibrary, "filename", 0, &face);
+    i = face->num_glyphs - 1;
+    italic = face->style_flags&FT_STYLE_FLAG_ITALIC;
+    bold = face->style_flags&FT_STYLE_FLAG_BOLD;
+    FT_Get_Postscript_Name(face);
+    FT_Get_Char_Index(face, 33);
+    FT_Get_First_Char(face, &i);
+    FT_Get_Next_Char(face, 33, &i);
+    if(FT_HAS_GLYPH_NAMES(face)) {
+       FT_Get_Glyph_Name(face, 33, name, 127);
+    }
+    FT_Load_Glyph(face, 33, FT_LOAD_NO_BITMAP|FT_LOAD_NO_SCALE);
+    FT_Get_Glyph(face->glyph, &glyph);
+    FT_Glyph_Get_CBox(glyph, ft_glyph_bbox_unscaled, &bbox);
+    FT_Done_Glyph(glyph);
+    FT_Done_Face(face);
+    FT_Done_FreeType(ftlibrary);
+    return 0;
+}
+EOF
+
+    ac_link='$CC $CPPFLAGS $CFLAGS conftest.c $LDFLAGS $LIBS -o conftest${ac_exeext}'
+    if { (eval echo freetype.m4:71: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+       AC_MSG_RESULT([yes])
+       AC_DEFINE([HAVE_FREETYPE], [1], [have/use freetype library])
+       AC_DEFINE([HAVE_FREETYPE_FREETYPE_H], [1], [Define if freetype headers are available])
+       AC_DEFINE([USE_FREETYPE], [1], [Define if freetype is available])  # for ttf2tp1
+    else
+       echo "configure: failed program was:" >&5
+       cat conftest.c >&5
+       HAVE_FREETYPE=0
+       AC_MSG_RESULT([no])
+    fi
+    rm -f conftest*
+fi
+
+# if the above didn't work out, reset all changes to the compiler variables.
+if test "x${HAVE_FREETYPE}" '!=' "x1"; then 
+    CPPFLAGS=$OLDCPPFLAGS
+    LIBS=$OLDLIBS
 fi 
-]
-)
+])