1 files changed, 84 insertions, 0 deletions
diff --git a/configure.in b/configure.in
new file mode 100644
index 0000000..faac129
--- /dev/null
+++ b/configure.in
@@ -0,0 +1,84 @@
+dnl $Id: configure.in,v 1.42 2008-07-21 18:51:56 spotspot Exp $
+dnl Process this file with autoconf to produce a configure script.
+
+AC_INIT(flam3-animate.c)
+AM_CONFIG_HEADER(config.h)
+AC_ARG_ENABLE(pthread, [  --enable-pthread        compile FLAM3 with threads enabled (default=yes)])
+AC_ARG_ENABLE(atomic_ops, [  --enable-atomic-ops     compile FLAM3 with atom ops enabled (default=yes, independently checks for 32 and 64 bit sizes)])
+AM_INIT_AUTOMAKE(flam3,"3.0.1")
+
+AC_CONFIG_MACRO_DIR([m4])
+
+# Save CFLAGS from the environment
+save_CFLAGS=$CFLAGS
+
+AC_PROG_CC
+
+CFLAGS=$save_CFLAGS
+
+AC_PROG_INSTALL
+AC_PROG_MAKE_SET
+AM_DISABLE_SHARED
+AC_PROG_LIBTOOL
+AC_HEADER_STDC
+AC_C_CONST
+AC_TYPE_SIZE_T
+AC_HEADER_TIME
+AC_CHECK_LIB([z],[deflateInit_],,[AC_MSG_ERROR([zlib is required.])])
+AC_CHECK_LIB([png],[png_write_image],,[AC_MSG_ERROR([The png library is required.])])
+AC_CHECK_LIB([xml2],[xmlParseFile],,[AC_MSG_ERROR([The xml2 library is required.])])
+
+
+if test "${enable_atomic_ops}" = "" ; then
+  enable_atomic_ops=yes
+fi
+
+if test "${enable_atomic_ops}" = "yes" ; then
+
+  AC_MSG_CHECKING([whether $CC knows 32-bit __sync_bool_compare_and_swap()])
+  AC_LANG_CONFTEST([#include <stdint.h>
+  int main() { uint32_t a = 4;
+  __sync_bool_compare_and_swap(&a, 4, 5); }])
+  $CC conftest.c $CFLAGS -o conftest > /dev/null 2> /dev/null
+  ret=$?
+  rm -f conftest.o conftest
+  if test $ret -eq 0 ; then
+     AC_DEFINE([HAVE_GCC_ATOMIC_OPS], 1, [Have 32-bit __sync_bool_compare_and_swap() and friends.])
+     AC_MSG_RESULT([yes])
+  else
+     AC_MSG_RESULT([no - try specifying CFLAGS=-march={your_arch}])
+  fi
+
+  AC_MSG_CHECKING([whether $CC knows 64-bit __sync_bool_compare_and_swap()])
+  AC_LANG_CONFTEST([#include <stdint.h>
+  int main() { uint64_t a = 4; __sync_bool_compare_and_swap(&a, 4, 5); }])
+  $CC conftest.c $CFLAGS -o conftest > /dev/null 2> /dev/null
+  ret=$?
+  rm -f conftest.o conftest
+  if test $ret -eq 0 ; then
+     AC_DEFINE([HAVE_GCC_64BIT_ATOMIC_OPS], 1, [Have 64-bit __sync_bool_compare_and_swap() and friends.])
+     AC_MSG_RESULT([yes])
+  else
+     AC_MSG_RESULT([no - try specifying CFLAGS=-march={your_arch}])
+  fi
+fi
+
+if test "${enable_pthread}" = "" ; then
+  enable_pthread=yes
+fi
+
+if test "${enable_pthread}" = "yes" ; then
+  AC_CHECK_LIB([pthread],[pthread_create],,[AC_MSG_WARN([Pthread library not found - threads disabled.])])
+fi
+AC_CHECK_LIB([jpeg],[jpeg_start_compress],,[AC_MSG_ERROR([The jpeg library is required.])])
+AC_PATH_PROG(XML2_CONFIG,xml2-config, no, $PATH:/bin:/usr/bin:/usr/local/bin)
+
+if test "$XML2_CONFIG" != "no"
+then
+   CPPFLAGS="`$XML2_CONFIG --cflags` $CPPFLAGS"
+fi
+
+AC_OUTPUT([
+Makefile
+flam3.pc
+])