[PATCH 2/2] sim: erc32: merge with common configure script

[Mike Frysinger]

Move the unique library tests to the common code so we can delete
the erc32 configure logic entirely.
---
 sim/Makefile.in           |    8 +-
 sim/arch-subdir.mk.in     |    3 +
 sim/configure             |  165 +-
 sim/configure.ac          |    2 +-
 sim/erc32/Makefile.in     |    4 -
 sim/erc32/aclocal.m4      |   15 -
 sim/erc32/configure       | 4233 -------------------------------------
 sim/erc32/configure.ac    |   47 -
 sim/m4/sim_ac_platform.m4 |   28 +
 9 files changed, 200 insertions(+), 4305 deletions(-)
 delete mode 100644 sim/erc32/aclocal.m4
 delete mode 100755 sim/erc32/configure
 delete mode 100644 sim/erc32/configure.ac

diff --git a/sim/arch-subdir.mk.in b/sim/arch-subdir.mk.in
index 0689dbc29ed1..efd91e76b1c3 100644
--- a/sim/arch-subdir.mk.in
+++ b/sim/arch-subdir.mk.in
@@ -51,6 +51,9 @@ LIBINTL_DEP = @LIBINTL_DEP@
 INTL_CFLAGS = @INCINTL@
 SDL_CFLAGS = @SDL_CFLAGS@
 SDL_LIBS = @SDL_LIBS@
+TERMCAP_LIB = @TERMCAP_LIB@
+READLINE_LIB = @READLINE_LIB@
+READLINE_CFLAGS = @READLINE_CFLAGS@
 
 COMMON_LIBS = @LIBS@
 WARN_CFLAGS = @WARN_CFLAGS@
diff --git a/sim/configure.ac b/sim/configure.ac
index 3632b559bf0f..15b2b65c87e8 100644
--- a/sim/configure.ac
+++ b/sim/configure.ac
@@ -139,7 +139,7 @@ if test "${enable_sim}" != no; then
     SIM_TARGET([rl78-*-*], [rl78])
     SIM_TARGET([rx-*-*], [rx])
     SIM_TARGET([sh*-*-*], [sh])
-    SIM_TARGET([sparc-*-rtems*|sparc-*-elf*], [erc32], [true])
+    SIM_TARGET([sparc-*-rtems*|sparc-*-elf*], [erc32])
     SIM_TARGET([powerpc*-*-*], [ppc], [true])
     SIM_TARGET([v850*-*-*], [v850], [true], [sim_igen=yes])
   done
diff --git a/sim/erc32/Makefile.in b/sim/erc32/Makefile.in
index 278b4792daeb..9ca0e3519a27 100644
--- a/sim/erc32/Makefile.in
+++ b/sim/erc32/Makefile.in
@@ -18,11 +18,7 @@
 
 ## COMMON_PRE_CONFIG_FRAG
 
-TERMCAP_LIB = @TERMCAP@
-
 READLINE_SRC = $(srcroot)/readline/readline
-READLINE_LIB = @READLINE@
-READLINE_CFLAGS = @READLINE_CFLAGS@
 
 SIM_OBJS = exec.o erc32.o func.o help.o float.o interf.o
 SIM_RUN_OBJS = sis.o
diff --git a/sim/erc32/configure.ac b/sim/erc32/configure.ac
deleted file mode 100644
index db6b98efa2e4..000000000000
--- a/sim/erc32/configure.ac
+++ /dev/null
@@ -1,47 +0,0 @@
-dnl Copyright (C) 1996-2021 Free Software Foundation, Inc.
-dnl
-dnl This program is free software; you can redistribute it and/or modify
-dnl it under the terms of the GNU General Public License as published by
-dnl the Free Software Foundation; either version 3 of the License, or
-dnl (at your option) any later version.
-dnl
-dnl This program is distributed in the hope that it will be useful,
-dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
-dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-dnl GNU General Public License for more details.
-dnl
-dnl You should have received a copy of the GNU General Public License
-dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-dnl Process this file with autoconf to produce a configure script.
-AC_INIT(Makefile.in)
-AC_CONFIG_MACRO_DIRS([../m4 ../.. ../../config])
-
-# In the Cygwin environment, we need some additional flags.
-AC_CACHE_CHECK([for cygwin], sim_cv_os_cygwin,
-[AC_EGREP_CPP(lose, [
-#ifdef __CYGWIN__
-lose
-#endif],[sim_cv_os_cygwin=yes],[sim_cv_os_cygwin=no])])
-
-# Keep in sync with gdb's configure.ac list.
-AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses],
-  [TERMCAP=$ac_cv_search_tgetent], [TERMCAP=""])
-if test x$sim_cv_os_cygwin = xyes; then
-  TERMCAP="${TERMCAP} -luser32"
-fi
-AC_SUBST(TERMCAP)
-
-# We prefer the in-tree readline.  Top-level dependencies make sure
-# src/readline (if it's there) is configured before src/sim.
-if test -r ../../readline/Makefile; then
-  READLINE=../../readline/readline/libreadline.a
-  READLINE_CFLAGS='-I$(READLINE_SRC)/..'
-else
-  AC_CHECK_LIB(readline, readline, READLINE=-lreadline,
-	       AC_ERROR([the required "readline" library is missing]), $TERMCAP)
-  READLINE_CFLAGS=
-fi
-AC_SUBST(READLINE)
-AC_SUBST(READLINE_CFLAGS)
-SIM_AC_OUTPUT
diff --git a/sim/m4/sim_ac_platform.m4 b/sim/m4/sim_ac_platform.m4
index 2a84a0130a33..b0abe62a51f3 100644
--- a/sim/m4/sim_ac_platform.m4
+++ b/sim/m4/sim_ac_platform.m4
@@ -171,4 +171,32 @@ PKG_CHECK_MODULES(SDL, sdl, [dnl
   ], [:])
 AC_SUBST(SDL_CFLAGS)
 AC_SUBST(SDL_LIBS)
+
+dnl In the Cygwin environment, we need some additional flags.
+AC_CACHE_CHECK([for cygwin], sim_cv_os_cygwin,
+[AC_EGREP_CPP(lose, [
+#ifdef __CYGWIN__
+lose
+#endif],[sim_cv_os_cygwin=yes],[sim_cv_os_cygwin=no])])
+
+dnl Keep in sync with gdb's configure.ac list.
+AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses],
+  [TERMCAP_LIB=$ac_cv_search_tgetent], [TERMCAP_LIB=""])
+if test x$sim_cv_os_cygwin = xyes; then
+  TERMCAP_LIB="${TERMCAP_LIB} -luser32"
+fi
+AC_SUBST(TERMCAP_LIB)
+
+dnl We prefer the in-tree readline.  Top-level dependencies make sure
+dnl src/readline (if it's there) is configured before src/sim.
+if test -r ../readline/Makefile; then
+  READLINE_LIB=../../readline/readline/libreadline.a
+  READLINE_CFLAGS='-I$(READLINE_SRC)/..'
+else
+  AC_CHECK_LIB(readline, readline, READLINE_LIB=-lreadline,
+	       AC_ERROR([the required "readline" library is missing]), $TERMCAP_LIB)
+  READLINE_CFLAGS=
+fi
+AC_SUBST(READLINE_LIB)
+AC_SUBST(READLINE_CFLAGS)
 ])
-- 
2.31.1