Add version, arch, system libs, and targets to Makefile.config

Teach autoconf/configure.ac to AC_SUBST several additional values in
Makefile.config to make them available to Makefile code.  These will
be useful to generate CMake package modules from the Makefile build.

Contributed by Brad King.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201052 91177308-0d34-0410-b5e6-96231b3b80d8

Makefile.config.in

@@ -15,6 +15,8 @@
 # Define LLVM specific info and directories based on the autoconf variables
 LLVMPackageName   := @PACKAGE_TARNAME@
 LLVMVersion       := @PACKAGE_VERSION@
+LLVM_VERSION_MAJOR := @LLVM_VERSION_MAJOR@
+LLVM_VERSION_MINOR := @LLVM_VERSION_MINOR@
 LLVM_CONFIGTIME   := @LLVM_CONFIGTIME@
 
 ###########################################################################
@@ -118,6 +120,7 @@ HOST_ARCH=@HOST_ARCH@
 # Target hardware architecture
 ARCH=@ARCH@
 TARGET_NATIVE_ARCH := $(ARCH)
+LLVM_NATIVE_ARCH := @LLVM_NATIVE_ARCH@
 
 # Indicates, whether we're cross-compiling LLVM or not
 LLVM_CROSS_COMPILING=@LLVM_CROSS_COMPILING@
@@ -207,13 +210,22 @@ POD2MAN    := @POD2MAN@
 PDFROFF    := @PDFROFF@
 ZIP        := @ZIP@
 
+HAVE_LIBZ  := @HAVE_LIBZ@
+HAVE_DLOPEN := @HAVE_DLOPEN@
 HAVE_PTHREAD := @HAVE_PTHREAD@
+HAVE_TERMINFO := @HAVE_TERMINFO@
 
 LIBS       := @LIBS@
 
+# Targets that are possible to build
+ALL_TARGETS := @ALL_TARGETS@
+
 # Targets that we should build
 TARGETS_TO_BUILD=@TARGETS_TO_BUILD@
 
+# Targets supporting JIT
+TARGETS_WITH_JIT := @TARGETS_WITH_JIT@
+
 # Path to directory where object files should be stored during a build.
 # Set OBJ_ROOT to "." if you do not want to use a separate place for
 # object files.
@@ -250,6 +262,9 @@ ENABLE_CLANG_STATIC_ANALYZER = @ENABLE_CLANG_STATIC_ANALYZER@
 # When ENABLE_WERROR is enabled, we'll pass -Werror on the command line
 ENABLE_WERROR = @ENABLE_WERROR@
 
+# When ENABLE_TERMINFO is enabled, we use terminfo.
+ENABLE_TERMINFO = @ENABLE_TERMINFO@
+
 # When ENABLE_OPTIMIZED is enabled, LLVM code is optimized and output is put
 # into the "Release" directories. Otherwise, LLVM code is not optimized and
 # output is put in the "Debug" directories.

autoconf/configure.ac

@@ -32,8 +32,8 @@ dnl===-----------------------------------------------------------------------===
 dnl Initialize autoconf and define the package name, version number and
 dnl address for reporting bugs.
 AC_INIT([LLVM],[3.5svn],[http://llvm.org/bugs/])
-AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
-AC_DEFINE([LLVM_VERSION_MINOR], [5], [Minor version of the LLVM API])
+LLVM_DEFINE_SUBST([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
+LLVM_DEFINE_SUBST([LLVM_VERSION_MINOR], [5], [Minor version of the LLVM API])
 
 dnl Provide a copyright substitution and ensure the copyright notice is included
 dnl in the output of --version option of the generated configure script.
@@ -432,6 +432,7 @@ esac
 
 dnl Define a substitution, ARCH, for the target architecture
 AC_SUBST(ARCH,$llvm_cv_target_arch)
+AC_SUBST(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH)
 
 dnl Determine what our host architecture.
 dnl This will allow MCJIT regress tests runs only for supported
@@ -768,6 +769,9 @@ else
   esac
 fi
 
+TARGETS_WITH_JIT="AArch64 ARM Mips PowerPC SystemZ X86"
+AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
+
 dnl Allow enablement of building and installing docs
 AC_ARG_ENABLE(docs,
               AS_HELP_STRING([--enable-docs],
@@ -917,6 +921,10 @@ if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
             [Define to enable crash handling overrides])
 fi
 
+dnl List all possible targets
+ALL_TARGETS="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600"
+AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
+
 dnl Allow specific targets to be specified for building (or not)
 TARGETS_TO_BUILD=""
 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
@@ -928,7 +936,7 @@ if test "$enableval" = host-only ; then
   enableval=host
 fi
 case "$enableval" in
-  all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;;
+  all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
   *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
       case "$a_target" in
         x86)      TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
@@ -1189,6 +1197,10 @@ AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
     *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
   esac],
   llvm_cv_enable_terminfo="yes")
+case "$llvm_cv_enable_terminfo" in
+  yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
+  no)  AC_SUBST(ENABLE_TERMINFO,[0]) ;;
+esac
 
 dnl --enable-libedit: check whether the user wants to turn off libedit.
 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
@@ -1500,7 +1512,7 @@ if test "$llvm_cv_os_type" = "MingW" ; then
 fi
 
 dnl dlopen() is required for plugin support.
-AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
+AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
                [Define if dlopen() is available on this platform.]),
                AC_MSG_WARN([dlopen() not found - disabling plugin support]))
 
@@ -1513,8 +1525,8 @@ dnl The curses library is optional; used for querying terminal info
 if test "$llvm_cv_enable_terminfo" = "yes" ; then
   dnl We need the has_color functionality in curses for it to be useful.
   AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
-                 AC_DEFINE([HAVE_TERMINFO],[1],
-                           [Define if the setupterm() function is supported this platform.]))
+                 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
+                                   [Define if the setupterm() function is supported this platform.]))
 fi
 
 dnl The libedit library is optional; used by lib/LineEditor

autoconf/m4/define_subst.m4

@@ -0,0 +1,5 @@
+# Combine AC_DEFINE and AC_SUBST
+AC_DEFUN([LLVM_DEFINE_SUBST], [
+AC_DEFINE([$1], [$2], [$3])
+AC_SUBST([$1], ['$2'])
+])