check for too old gcc

diff --git a/configure.in b/configure.in
index 1fab7a4..f5f8648 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -21,7 +21,7 @@ AC_ARG_ENABLE(lame,
 [  --disable-lame          don't compile any L.A.M.E. mp3 encoding code in], DISABLE_LAME=true)
 
 PACKAGE=swftools
-VERSION=2005-09-25-1334
+VERSION=2006-05-01-1103
 
 
 # ------------------------------------------------------------------
@@ -94,6 +94,22 @@ AC_SUBST(SHARED)
 dnl Checks for programs.
  AC_PROG_CC
  AC_PROG_CXX
+
+
+RFX_CHECK_OLDGCC
+
+if test "x$GCC_IS_OK" '=' "x";then
+    echo "***************************************************"
+    echo "* Your gcc is too old to compile this!"
+    echo "* "
+    echo "* The last version compilable by this compiler is "
+    echo "* swftools 0.7.0, which you can download from "
+    echo "* http://www.swftools.org/swftools-0.7.0.tar.gz "
+    echo "* ."
+    echo "* Newer versions require at least gcc 3.0.0 "
+    echo "***************************************************"
+    exit 1
+fi
     
 if test "x$CHECKMEM" '!=' "x";then
     CC="ccmalloc $CC"
@@ -116,12 +132,14 @@ fi
 dnl Checks for system services
 OBJEXT="o"
 AREXT=".a"
+CXXLIBS="-lstdc++"
 
 AC_EXEEXT
 
 if test "x$EXEEXT" = "x.exe";then
     OBJEXT="obj"
     AREXT=".lib"
+    CXXLIBS=""
 fi
 AC_SUBST(OBJEXT)
 AC_SUBST(AREXT)
@@ -135,9 +153,11 @@ if test "x${MINGW}" != "xyes"; then
 else
     # mingW
     SLEXT="dll"
+    CXXLIBS=""
 fi
 export SLEXT
 AC_SUBST(SLEXT)
+AC_SUBST(CXXLIBS)
 
 # The following tries to make use of includes and libraries in
 # /usr/local, too. Notice: A -I/usr/local/include might break
@@ -224,7 +244,7 @@ dnl Checks for library functions.
 
 RFX_CHECK_FREETYPE
 
-RFX_CHECK_FONTCONFIG
+#RFX_CHECK_FONTCONFIG
 
 # ------------------------------------------------------------------
  
@@ -365,12 +385,19 @@ if test "x${AVIFILE}" '!=' "xtrue" -a "x${AVIFIL32}" '!=' "xtrue"; then
 fi
 
 pdf2swf_makefile="pdf2swf/Makefile pdf2swf/xpdf/Makefile"
+PDF2SWF='pdf2swf$(E)'
+LIBPDF='libpdf$(A)'
+
 if test "x${DISABLEPDF2SWF}" = "xtrue"; then
   echo "* Disabling pdf2swf tool..."
   rm -f pdf2swf/Makefile
   echo all install uninstall clean: > pdf2swf/Makefile
   pdf2swf_makefile=""
+  PDF2SWF=
+  LIBPDF=
 fi
+AC_SUBST(PDF2SWF)
+AC_SUBST(LIBPDF)
 
 if test "x${ZLIBMISSING}" = "xtrue"; then
   echo

diff --git a/m4/gcc.2.95.m4 b/m4/gcc.2.95.m4
new file mode 100644 (file)
index 0000000..54b3809
--- /dev/null
+++ b/m4/gcc.2.95.m4
@@ -0,0 +1,30 @@
+AC_DEFUN(RFX_CHECK_OLDGCC,
+[
+AC_MSG_CHECKING([whether gcc supports lazy variable declaration])
+
+cat > conftest.cpp << EOF
+#include <stdlib.h>
+#include <stdio.h>
+
+int main (int argc, char*argv[])
+{
+    int a,b;
+    b=3;
+    int c;
+    c=4
+    return 0;
+}
+EOF
+
+testprog_link='$CC $CPPFLAGS $CFLAGS conftest.cpp -o conftest${ac_exeext}'
+if { (eval echo gcc.2.95.m4:19: \"$testprog_link\") 1>&5; (eval $testprog_link) 2>&5; } && test -s conftest${ac_exeext} && ./conftest${ac_exeext}; then
+  AC_MSG_RESULT(yes)
+  GCC_IS_OK=true
+  export GCC_IS_OK
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.cpp >&5
+  AC_MSG_RESULT(no)
+fi
+rm -f conftest*
+])