build-sys: remove useless checks, improve it a bit

2 files changed, 12 insertions, 190 deletions

diff --git a/Makefile.am b/Makefile.am
index 2571f43..06330b2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,5 @@
+ACLOCAL_AMFLAGS = -I m4
+
 SUBDIRS = SpiceXPI
 
 EXTRA_DIST = \
diff --git a/configure.ac b/configure.ac
index 0b20ffc..79ea17d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,109 +15,36 @@ AC_CANONICAL_HOST
 AC_PROG_LIBTOOL
 AM_PROG_CC_C_O
 
-# Before making a release, the SPICE_LT_VERSION string should be modified.
-# The string is of the form C:R:A.
-# - If interfaces have been changed or added, but binary compatibility has
-#   been preserved, change to C+1:0:A+1
-# - If binary compatibility has been broken (eg removed or changed interfaces)
-#   change to C+1:0:0
-# - If the interface is the same as the previous version, change to C:R+1:A
-SPICE_LT_VERSION=0:0:0
-AC_SUBST(SPICE_LT_VERSION)
-
 # Check for the CPU we are using
 #
 AC_MSG_CHECKING(for x86 or x86-64 platform)
 case $host_cpu in
   i386|i486|i586|i686|i786|k6|k7)
-	variant=32
+       variant=32
         ;;
   x86_64)
-	variant=64
-	;;
+       variant=64
+       ;;
   *)
-	AC_MSG_RESULT(no)
-	echo Only x86 and x86-64 are supported
-	exit 1
+       AC_MSG_RESULT(no)
+       echo Only x86 and x86-64 are supported
+       exit 1
 esac
 AC_MSG_RESULT($variant bit)
 AM_CONDITIONAL([X86_64], [test "$variant" = 64])
 
-AC_MSG_CHECKING([for native Win32])
-case "$host" in
-  *-*-mingw*)
-    os_win32=yes
-    ;;
-  *)
-    os_win32=no
-    ;;
-esac
-AC_MSG_RESULT([$os_win32])
-
-case $host in
-  *-*-linux*)
-    os_linux=yes
-    ;;
-esac
-
-dnl =========================================================================
-dnl Check OS target
-
-AC_MSG_CHECKING([for some Win32 platform])
-case "$host" in
-  *-*-mingw*|*-*-cygwin*)
-    platform_win32=yes
-    ;;
-  *)
-    platform_win32=no
-    ;;
-esac
-AC_MSG_RESULT([$platform_win32])
-if test "$platform_win32" = yes; then
-  red_target=windows
-else
-  red_target=x11
-fi
-AC_SUBST(red_target)
-
-AM_CONDITIONAL(OS_WIN32, test "$os_win32" = "yes")
-AM_CONDITIONAL(OS_UNIX, test "$os_win32" != "yes")
-AM_CONDITIONAL(OS_LINUX, test "$os_linux" = "yes")
-
 dnl =========================================================================
 dnl Check deps
 
-AC_CHECK_LIBM
-AC_SUBST(LIBM)
-
-AC_CHECK_LIB(rt, clock_gettime,
-   AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [Defined if we have clock_gettime()])
-   LIBRT=-lrt
-   )
-AC_SUBST(LIBRT)
-
-SPICE_NONPKGCONFIG_LIBS+=" $LIBM $LIBRT"
-
-SPICE_REQUIRES=""
-
 PKG_CHECK_MODULES(LOG4CPP, log4cpp)
 AC_SUBST(LOG4CPP_CFLAGS)
 AC_SUBST(LOG4CPP_LIBS)
-SPICE_REQUIRES+=" log4cpp"
-
-# Add parameter for (partial) static linkage of spice client.
-# this is used to achive single binary package for all (?) distros.
-AC_ARG_ENABLE(static-linkage, 
-	[  --enable-static-linkage will generate spice client binary with static linkage to external libraries ],
-	[SPICEC_STATIC_LINKAGE_BSTATIC=["-Wl,-Bstatic"];
-	SPICEC_STATIC_LINKAGE_BDYNAMIC=["-Wl,-Bdynamic"]])
 
 # The explicit nspr dep is needed because libxul-embedding
 # in RHEL5 is missing the Requires
 PKG_CHECK_MODULES(XUL, libxul-embedding >= 1.9 nspr >= 4.7.1)
 AC_SUBST(XUL_CFLAGS)
 AC_SUBST(XUL_LIBS)
-SPICE_REQUIRES+=" libxul-embedding >= 1.9 nspr >= 4.7.1"
 
 # Find xpidl
 for i in `pkg-config --variable=libdir libxul`/xpidl ; do
@@ -146,112 +73,7 @@ if test "x$have_xul191" = "xyes" ; then
   AC_DEFINE([HAVE_XUL191], [], [Define if we have libxul >= 1.9.1])
 fi
 
-dnl ===========================================================================
-dnl check compiler flags
-
-AC_DEFUN([SPICE_CC_TRY_FLAG], [
-  AC_MSG_CHECKING([whether $CC supports $1])
-
-  spice_save_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS $1"
-
-  AC_COMPILE_IFELSE([ ], [spice_cc_flag=yes], [spice_cc_flag=no])
-  CFLAGS="$spice_save_CFLAGS"
-
-  if test "x$spice_cc_flag" = "xyes"; then
-    ifelse([$2], , :, [$2])
-  else
-    ifelse([$3], , :, [$3])
-  fi
-  AC_MSG_RESULT([$spice_cc_flag])
-])
-
-
-dnl Use lots of warning flags with with gcc and compatible compilers
-
-dnl Note: if you change the following variable, the cache is automatically
-dnl skipped and all flags rechecked.  So there's no need to do anything
-dnl else.  If for any reason you need to force a recheck, just change
-dnl MAYBE_WARN in an ignorable way (like adding whitespace)
-
-dnl MAYBE_WARN="-Wall -Wno-sign-compare -Werror -Wno-deprecated-declarations"
-
-MAYBE_WARN="-Wall -Wno-sign-compare -Werror -Wno-deprecated-declarations"
-
-
-# invalidate cached value if MAYBE_WARN has changed
-if test "x$spice_cv_warn_maybe" != "x$MAYBE_WARN"; then
-	unset spice_cv_warn_cflags
-fi
-AC_CACHE_CHECK([for supported warning flags], spice_cv_warn_cflags, [
-	echo
-	WARN_CFLAGS=""
-
-	# Some warning options are not supported by all versions of
-	# gcc, so test all desired options against the current
-	# compiler.
-	#
-	# Note that there are some order dependencies
-	# here. Specifically, an option that disables a warning will
-	# have no net effect if a later option then enables that
-	# warnings, (perhaps implicitly). So we put some grouped
-	# options (-Wall and -Wextra) up front and the -Wno options
-	# last.
-
-	for W in $MAYBE_WARN; do
-		SPICE_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
-	done
-
-	spice_cv_warn_cflags=$WARN_CFLAGS
-	spice_cv_warn_maybe=$MAYBE_WARN
-
-	AC_MSG_CHECKING([which warning flags were supported])])
-WARN_CFLAGS="$spice_cv_warn_cflags"
-SPICE_CFLAGS="$SPICE_CFLAGS $WARN_CFLAGS"
-
-# We only wish to enable attribute(warn_unused_result) if we can prevent
-# gcc from generating thousands of warnings about the misapplication of the
-# attribute to void functions and variables.
-AC_MSG_CHECKING([how to enable unused result warnings])
-warn_unused_result=""
-if echo $WARN_CFLAGS | grep -e '-Wno-attributes' >/dev/null; then
-    AC_TRY_COMPILE([__attribute__((__warn_unused_result__))
-	int f (int i) { return i; }], [],
-	[warn_unused_result="__attribute__((__warn_unused_result__))"])
-fi
-AC_DEFINE_UNQUOTED([WARN_UNUSED_RESULT], [$warn_unused_result],
-	  [Define to the value your compiler uses to support the warn-unused-result attribute])
-AC_MSG_RESULT([$warn_unused_result])
-
-AC_SUBST(WARN_CFLAGS)
-AC_SUBST(CFLAGS_CFLAGS)
-
-dnl =========================================================================
-dnl -fvisibility stuff
-
-have_gcc4=no
-AC_MSG_CHECKING(for -fvisibility)
-AC_COMPILE_IFELSE([
-#if defined(__GNUC__) && (__GNUC__ >= 4)
-#else
-error Need GCC 4.0 for visibility
-#endif
-int main () { return 0; }
-], have_gcc4=yes)
-
-if test "x$have_gcc4" = "xyes"; then
-   VISIBILITY_HIDDEN_CFLAGS="-fvisibility=hidden"
-fi
-AC_MSG_RESULT($have_gcc4)
-AC_SUBST(VISIBILITY_HIDDEN_CFLAGS)
-
-
-AC_SUBST(SPICE_REQUIRES)
-AC_SUBST(SPICE_NONPKGCONFIG_CFLAGS)
-AC_SUBST(SPICE_NONPKGCONFIG_LIBS)
-
-AC_SUBST([SPICEC_STATIC_LINKAGE_BSTATIC])
-AC_SUBST([SPICEC_STATIC_LINKAGE_BDYNAMIC])
+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 AC_OUTPUT([
 Makefile
@@ -261,9 +83,9 @@ SpiceXPI/src/plugin/Makefile
 ])
 
 dnl ==========================================================================
-echo "
+AC_MSG_NOTICE([
 
-        Spice $VERSION
+        Spice-XPI $VERSION
         ==============
 
         prefix:                   ${prefix}
@@ -272,9 +94,7 @@ echo "
         XUL includes:		  ${XUL_INCLUDEDIR}
         XUL IDL files:	          ${XUL_IDLDIR}
 
-        Have XRANDR 1.2:          ${have_xrandr12}
-
         Red target:               ${red_target}
 
         Now type 'make' to build $PACKAGE
-"
+])