1 files changed, 154 insertions, 0 deletions
diff --git a/Game/Code/m4/fpc.m4 b/Game/Code/m4/fpc.m4
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+dnl ** Version 1.1 of file is part of the LGPLed 
+dnl **   J Sound System (http://jss.sourceforge.net)
+dnl **
+dnl ** Checks for Free Pascal Compiler by Matti "ccr/TNSP" Hamalainen
+dnl ** (C) Copyright 2000-2001 Tecnic Software productions (TNSP)
+dnl **
+dnl ** Versions
+dnl ** --------
+dnl ** 1.0 - Created
+dnl **
+dnl ** 1.1 - Added stuff to enable unix -> win32
+dnl **       cross compilation.
+dnl **
+dnl ** 1.x - A few fixes (by the UltraStar Deluxe Team)
+dnl **
+
+AC_DEFUN([AC_PROG_FPC], [
+
+AC_ARG_VAR(PFLAGS, [Free Pascal Compiler flags])
+
+AC_ARG_ENABLE(dummy_fpc1,[
+Free Pascal Compiler specific options:])
+
+AC_ARG_WITH(fpc,
+  [AS_HELP_STRING([--with-fpc],
+    [Directory of the FPC executable @<:@PATH@:>@])],
+  [PPC_PATH=$withval], [])
+
+FPC_DEBUG="no"
+
+AC_ARG_ENABLE(debug,
+  [AS_HELP_STRING([--enable-debug],
+    [Enable FPC debug options @<:@default=no@:>@])],
+  [FPC_DEBUG="yes"], [])
+
+
+AC_ARG_ENABLE(release,
+  [AS_HELP_STRING([--enable-release],
+    [Enable FPC release options (same as --enable-debug=no)])],
+  [FPC_DEBUG="no"], [])
+
+dnl do not use -dDEBUG because this will enable range-checks
+dnl that will fail with USDX.
+dnl we have to disable -Xs which is defined in fpc.cfg.
+AC_ARG_WITH(debug-flags,
+  [AS_HELP_STRING([--with-debug-flags],
+    [FPC debug flags @<:@-gl -Coi -Xs- -vew@:>@])],
+  [PFLAGS_DEBUG="$withval"], 
+  [PFLAGS_DEBUG="-gl -Cit -Xs- -vew"])
+
+dnl -dRELEASE works too but we define our own settings
+AC_ARG_WITH(release-flags,
+  [AS_HELP_STRING([--with-release-flags],
+    [FPC release flags @<:@-O2 -Xs -vew@:>@])],
+  [PFLAGS_RELEASE="$withval"], 
+  [PFLAGS_RELEASE="-O2 -Xs -vew"])
+
+dnl the user's PFLAGS must *follow* this script's flags
+dnl to enable the user to overwrite the settings.
+if test x$FPC_DEBUG = xyes; then 
+	PFLAGS="$PFLAGS_DEBUG $PFLAGS"
+else
+	PFLAGS="$PFLAGS_RELEASE $PFLAGS"
+fi
+
+AC_ARG_ENABLE(profile,
+  [AS_HELP_STRING([--enable-profile],
+    [Enable FPC profiling options])],
+  [PFLAGS="-pg $PFLAGS"], [])
+
+PPC_CHECK_PROGS="fpc FPC ppc386 ppc PPC386 ppos2"
+
+if test -z "$PPC_PATH"; then
+	PPC_PATH=$PATH
+	AC_CHECK_PROGS(PPC, $PPC_CHECK_PROGS)
+else
+	AC_PATH_PROGS(PPC, $PPC_CHECK_PROGS, [], $PPC_PATH)
+fi
+if test -z "$PPC"; then
+	AC_MSG_ERROR([no Free Pascal Compiler found in $PPC_PATH])
+fi
+
+AC_PROG_FPC_WORKS
+AC_PROG_FPC_LINKS
+
+dnl *** Get the FPC version and some paths
+FPC_VERSION=`${PPC} ${PFLAGS} -iV`
+FPC_PLATFORM=`${PPC} ${PFLAGS} -iTO`
+FPC_PROCESSOR=`${PPC} ${PFLAGS} -iTP`
+if test "x$prefix" != xNONE; then
+	FPC_PREFIX=$prefix
+else
+	FPC_PREFIX=$ac_default_prefix
+fi
+FPC_BASE_PATH="${FPC_PREFIX}/lib/fpc/${FPC_VERSION}"
+FPC_UNIT_PATH="${FPC_BASE_PATH}/units/${FPC_PLATFORM}"
+AC_SUBST(PFLAGS)
+AC_SUBST(PFLAGS_DEBUG)
+AC_SUBST(PFLAGS_RELEASE)
+AC_SUBST(FPC_VERSION)
+AC_SUBST(FPC_PLATFORM)
+AC_SUBST(FPC_PROCESSOR)
+AC_SUBST(FPC_PREFIX)
+AC_SUBST(FPC_BASE_PATH)
+AC_SUBST(FPC_UNIT_PATH)
+])
+
+
+dnl ***
+dnl *** Check if FPC works and can compile a program
+dnl ***
+AC_DEFUN([AC_PROG_FPC_WORKS],
+[AC_CACHE_CHECK([whether the Free Pascal Compiler ($PPC $PFLAGS) works], ac_cv_prog_ppc_works,
+[
+rm -f conftest*
+echo "program foo; begin writeln; end." > conftest.pp
+${PPC} ${PFLAGS} conftest.pp >> config.log
+
+if test -f conftest || test -f conftest.exe; then
+dnl *** It works!
+	ac_cv_prog_ppc_works="yes"
+
+else
+	ac_cv_prog_ppc_works="no"
+fi
+rm -f conftest*
+dnl AC_MSG_RESULT($ac_cv_prog_ppc_works)
+if test x$ac_cv_prog_ppc_works = xno; then
+	AC_MSG_ERROR([installation or configuration problem: Cannot create executables.])
+fi
+])])
+
+
+dnl ***
+dnl *** Check if FPC can link with standard libraries
+dnl ***
+AC_DEFUN([AC_PROG_FPC_LINKS],
+[AC_CACHE_CHECK([whether the Free Pascal Compiler ($PPC $PFLAGS) can link], ac_cv_prog_ppc_works,
+[
+rm -f conftest*
+echo "program foo; uses crt; begin writeln; end." > conftest.pp
+${PPC} ${PFLAGS} conftest.pp >> config.log
+if test -f conftest || test -f conftest.exe; then
+	ac_cv_prog_ppc_links="yes"
+else
+	ac_cv_prog_ppc_links="no"
+fi
+rm -f conftest*
+AC_MSG_RESULT($ac_cv_prog_ppc_links)
+if test x$ac_cv_prog_ppc_links = xno; then
+	AC_MSG_ERROR([installation or configuration problem: Cannot link with some standard libraries.])
+fi
+])])
+