sim: overhaul & unify endian settings management
[deliverable/binutils-gdb.git] / sim / configure.ac
index d92ca25d39781980cf2965e0c4deb359e6ebc5b5..4ba2921ebaf35eb305f65a1b59e23ed40f12f7a7 100644 (file)
@@ -1,32 +1,25 @@
 dnl Process this file with autoconf to produce a configure script.
-m4_include([../config/override.m4])
-AC_INIT(Makefile.in)
-
-AC_PROG_CC
-AC_PROG_INSTALL
-AC_CHECK_TOOL(AR, ar)
-AC_CHECK_TOOL(RANLIB, ranlib, :)
-
-AC_CANONICAL_SYSTEM
-AC_ARG_PROGRAM
-AC_PROG_CC
-AC_SUBST(CFLAGS)
-AC_SUBST(HDEFINES)
-AR=${AR-ar}
-AC_SUBST(AR)
-AC_PROG_RANLIB
-
-# Put a plausible default for CC_FOR_BUILD in Makefile.
-if test -z "$CC_FOR_BUILD"; then
-  if test "x$cross_compiling" = "xno"; then
-    CC_FOR_BUILD='$(CC)'
-  else
-    CC_FOR_BUILD=gcc
-  fi
-fi
-AC_SUBST(CC_FOR_BUILD)
-CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
-AC_SUBST(CFLAGS_FOR_BUILD)
+dnl NB: The version here is not used.  If gdb ever changes from generating its
+dnl version at build time to autoconf time (like bfd et al do), we can switch.
+AC_INIT([sim], [0],
+  [https://sourceware.org/bugzilla/enter_bug.cgi?product=gdb&component=sim],
+  [], [https://sourceware.org/gdb/wiki/Sim/])
+
+dnl Probably should unify PKGVERSION with PACKAGE_* settings from AC_INIT.
+ACX_PKGVERSION([SIM])
+AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
+dnl PACKAGE_BUGREPORT is provided by AC_INIT.
+ACX_BUGURL([$PACKAGE_BUGREPORT])
+AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
+
+AC_CONFIG_HEADERS([config.h])
+
+SIM_AC_TOOLCHAIN
+SIM_AC_PLATFORM
+
+AM_MAINTAINER_MODE
+AM_INIT_AUTOMAKE
+AM_SILENT_RULES([yes])
 
 # If a cpu ever has more than one simulator to choose from, use
 # --enable-sim=... to choose.
@@ -37,20 +30,93 @@ yes | no) ;;
 *)     AC_MSG_ERROR(bad value ${enableval} given for --enable-sim option) ;;
 esac])
 
-m4_define([SIM_ARCH], [
-  sim_arch=$1
-  AC_CONFIG_SUBDIRS($1)
+AC_ARG_ENABLE([example-sims],
+             [AC_HELP_STRING([--enable-example-sims],
+                             [enable example GNU simulators])])
+
+AC_ARG_ENABLE(targets,
+[  --enable-targets        alternative target configurations],
+[case "${enableval}" in
+  yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
+           ;;
+  no)       enable_targets= ;;
+  *)        enable_targets=$enableval ;;
+esac])
+
+dnl Used to keep track of which target (if any) is the default one.  This is
+dnl used when installing files to see if they need to be suffixed.
+SIM_PRIMARY_TARGET=
+AC_SUBST(SIM_PRIMARY_TARGET)
+
+m4_define([SIM_TARGET], [
+  case "${targ}" in
+    all|$1)
+      if test "${targ}" = "${target}"; then
+        SIM_PRIMARY_TARGET=$2
+      fi
+      AC_CONFIG_SUBDIRS($2)
+      $3
+      ;;
+  esac
 ])
+
+dnl WHEN ADDING ENTRIES TO THIS MATRIX:
+dnl Make sure that the left side always has two dashes.  Otherwise you can get
+dnl spurious matches.  Even for unambiguous cases, do this as a convention, else
+dnl the table becomes a real mess to understand and maintain.
 if test "${enable_sim}" != no; then
-   sinclude(configure.tgt)
-   if test x"${sim_arch}" != x; then
-      AC_CONFIG_SUBDIRS(testsuite)
-      if test "$sim_igen" = yes; then
-         AC_CONFIG_SUBDIRS(igen)
-      fi
-   fi
+  sim_igen=no
+  for targ in `echo $target $enable_targets | sed 's/,/ /g'`
+  do
+    SIM_TARGET([aarch64*-*-*], [aarch64])
+    SIM_TARGET([arm*-*-*], [arm])
+    SIM_TARGET([avr*-*-*], [avr])
+    SIM_TARGET([bfin-*-*], [bfin])
+    SIM_TARGET([bpf-*-*], [bpf])
+    SIM_TARGET([cr16*-*-*], [cr16])
+    SIM_TARGET([cris-*-* | crisv32-*-*], [cris])
+    SIM_TARGET([d10v-*-*], [d10v])
+    SIM_TARGET([frv-*-*], [frv])
+    SIM_TARGET([h8300*-*-*], [h8300])
+    SIM_TARGET([iq2000-*-*], [iq2000])
+    SIM_TARGET([lm32-*-*], [lm32])
+    SIM_TARGET([m32c-*-*], [m32c])
+    SIM_TARGET([m32r-*-*], [m32r])
+    SIM_TARGET([m68hc11-*-*|m6811-*-*], [m68hc11])
+    SIM_TARGET([mcore-*-*], [mcore])
+    SIM_TARGET([microblaze-*-*], [microblaze])
+    SIM_TARGET([mips*-*-*], [mips], [sim_igen=yes])
+    SIM_TARGET([mn10300*-*-*], [mn10300], [sim_igen=yes])
+    SIM_TARGET([moxie-*-*], [moxie])
+    SIM_TARGET([msp430*-*-*], [msp430])
+    SIM_TARGET([or1k-*-* | or1knd-*-*], [or1k])
+    SIM_TARGET([pru*-*-*], [pru])
+    SIM_TARGET([riscv*-*-*], [riscv])
+    SIM_TARGET([rl78-*-*], [rl78])
+    SIM_TARGET([rx-*-*], [rx])
+    SIM_TARGET([sh*-*-*], [sh])
+    SIM_TARGET([sparc-*-rtems*|sparc-*-elf*], [erc32])
+    SIM_TARGET([powerpc*-*-*], [ppc])
+    SIM_TARGET([ft32-*-*], [ft32])
+    SIM_TARGET([v850*-*-*], [v850], [sim_igen=yes])
+  done
+
+  if test "x${enable_example_sims}" = xyes; then
+    AC_CONFIG_SUBDIRS(example-synacor)
+  fi
 fi
+AM_CONDITIONAL([SIM_ENABLE_IGEN], [test "$sim_igen" = "yes"])
 
-AC_OUTPUT(Makefile)
+dnl Standard (and optional) simulator options.
+dnl Eventually all simulators will support these.
+SIM_AC_OPTION_ALIGNMENT
+SIM_AC_OPTION_ASSERT
+SIM_AC_OPTION_DEBUG
+SIM_AC_OPTION_ENDIAN
+SIM_AC_OPTION_ENVIRONMENT
+SIM_AC_OPTION_PROFILE
+SIM_AC_OPTION_STDIO
+SIM_AC_OPTION_TRACE
 
-exit 0
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT
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