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Updated configure.in for proper debug and optimization handling.

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The new configure script now defaults to no debugging; if you use the
--enable-debug option to configure, it uses "-g" for debug.

The optimizer section applies the compiler warning options and optimizer
options separately.  If debug is requested, no -O options are added.

For IRIX 6.2 and higher, and for GCC/EGCS, -O3 is used for optimization.
For IRIX 5.x -O2 is used.  For HP-UX +O2 is used.


git-svn-id: file:///fltk/svn/fltk/trunk@261 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Michael R Sweet 1999-02-01 19:40:25 +00:00
parent 0e4b539ae3
commit 468391363b
1 changed files with 60 additions and 21 deletions
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81
configure.in
View File

@ -1,7 +1,7 @@
dnl# -*- sh -*-
dnl# the "configure" script is made from this by running GNU "autoconf"
dnl#
dnl# "$Id: configure.in,v 1.19 1999/01/31 07:43:08 bill Exp $"
dnl# "$Id: configure.in,v 1.20 1999/02/01 19:40:25 mike Exp $"
dnl#
dnl# Configuration script for the Fast Light Tool Kit (FLTK).
dnl#
@ -36,11 +36,16 @@ else
LIBCOMMAND="ar crs"
fi
DEBUGFLAG=""
dnl# Clear debugging flags and only enable debugging if the user asks for
dns# it.
AC_ARG_ENABLE(debug, [ --enable-debug turn on debugging [default=no]],if eval "test x$enable_debug = xyes"; then
DEBUGFLAG=""
CFLAGS="${CFLAGS:=}"
CXXFLAGS="${CXXFLAGS:=}"
AC_ARG_ENABLE(debug, [ --enable-debug turn on debugging [default=no]],[if eval "test x$enable_debug = xyes"; then
DEBUGFLAG="-g "
fi)
fi])
AC_ARG_ENABLE(shared, [ --enable-shared turn on shared libraries [default=no]],[
if eval "test x$enable_shared = xyes"; then
RANLIB=":"
@ -138,25 +143,59 @@ dnl# do this last so messing with switches does not break tests
if test -n "$GXX"; then
CFLAGS="-Wall $CFLAGS"
CXXFLAGS="-Wall -Wno-return-type $CXXFLAGS"
if test -z "$DEBUGFLAG"; then
CFLAGS="-O3 $CFLAGS"
CXXFLAGS="-O3 $CXXFLAGS"
fi
else
if test "`(uname) 2>/dev/null`" = IRIX; then
if expr "`(uname -r)`" \>= 6.2; then
dnl# Uncomment these if you don't have IDO 7.2 or higher
dnl# CXX="CC -n32"
dnl# CC="cc -n32"
dnl# LD="ld -n32"
dnl# MAKEDEPEND="CC -M"
# -woff 3322 is necessary due to errors in Xlib headers on IRIX
CFLAGS="-O2 -fullwarn $CFLAGS"
CXXFLAGS="-O2 -fullwarn -woff 1685 -woff 3322 $CXXFLAGS"
else
CXXFLAGS="+w +pp $CXXFLAGS"
fi
fi
case `(uname) 2>/dev/null` in
IRIX*)
# Running some flavor of IRIX; see which version and
# set things up according...
if expr "`(uname -r)`" \>= 6.2; then
# We are running IRIX 6.2 or higher; uncomment the following
# lines if you don't have IDO 7.2 or higher:
#
# CXX="CC -n32"
# CC="cc -n32"
# LD="ld -n32"
# MAKEDEPEND="CC -M"
# -woff 3322 is necessary due to errors in Xlib headers on IRIX
CFLAGS="-fullwarn $CFLAGS"
CXXFLAGS="-fullwarn -woff 1685 -woff 3322 $CXXFLAGS"
if test -z "$DEBUGFLAG"; then
CFLAGS="-O3 $CFLAGS"
CXXFLAGS="-O3 $CXXFLAGS"
fi
else
CXXFLAGS="+w +pp $CXXFLAGS"
if test -z "$DEBUGFLAG"; then
CFLAGS="-O2 $CFLAGS"
CXXFLAGS="-O2 $CXXFLAGS"
fi
fi
;;
HP-UX)
# Running HP-UX; these options should work for the HP compilers.
if test -z "$DEBUGFLAG"; then
CFLAGS="+O2 $CFLAGS"
CXXFLAGS="+O2 $CXXFLAGS"
fi
;;
*)
# Running some other operating system; inform the user they
# should contribute the necessary options to fltk-bugs@easysw.com...
echo "Building FLTK with default compiler optimizations; contact"
echo "fltk-bugs@easysw.com with uname and compiler options needed"
echo "for your platform, or set the CFLAGS and CXXFLAGS options"
echo "before running configure."
;;
esac
fi
CFLAGS="$DEBUGFLAG$CFLAGS"
CXXFLAGS="$DEBUGFLAG$CXXFLAGS"
CFLAGS="$DEBUGFLAG $CFLAGS"
CXXFLAGS="$DEBUGFLAG $CXXFLAGS"
AC_SUBST(LIBNAME)
AC_SUBST(LIBCOMMAND)
@ -165,5 +204,5 @@ AC_CONFIG_HEADER(config.h:configh.in)
AC_OUTPUT(makeinclude)
dnl#
dnl# End of "$Id: configure.in,v 1.19 1999/01/31 07:43:08 bill Exp $".
dnl# End of "$Id: configure.in,v 1.20 1999/02/01 19:40:25 mike Exp $".
dnl#