dnl
-dnl "$Id: cups-compiler.m4 7871 2008-08-27 21:12:43Z mike $"
+dnl Compiler stuff for CUPS.
dnl
-dnl Compiler stuff for the Common UNIX Printing System (CUPS).
+dnl Copyright 2007-2014 by Apple Inc.
+dnl Copyright 1997-2007 by Easy Software Products, all rights reserved.
dnl
-dnl Copyright 2007-2009 by Apple Inc.
-dnl Copyright 1997-2007 by Easy Software Products, all rights reserved.
-dnl
-dnl These coded instructions, statements, and computer programs are the
-dnl property of Apple Inc. and are protected by Federal copyright
-dnl law. Distribution and use rights are outlined in the file "LICENSE.txt"
-dnl which should have been included with this file. If this file is
-dnl file is missing or damaged, see the license at "http://www.cups.org/".
+dnl These coded instructions, statements, and computer programs are the
+dnl property of Apple Inc. and are protected by Federal copyright
+dnl law. Distribution and use rights are outlined in the file "LICENSE.txt"
+dnl which should have been included with this file. If this file is
+dnl file is missing or damaged, see the license at "http://www.cups.org/".
dnl
dnl Clear the debugging and non-shared library options unless the user asks
if test -z "$with_ldarchflags"; then
if test "$uname" = Darwin; then
- # Only create 32-bit programs by default
- LDARCHFLAGS="`echo $ARCHFLAGS | sed -e '1,$s/-arch x86_64//' -e '1,$s/-arch ppc64//'`"
+ # Only create Intel programs by default
+ LDARCHFLAGS="`echo $ARCHFLAGS | sed -e '1,$s/-arch ppc64//'`"
else
LDARCHFLAGS="$ARCHFLAGS"
fi
AC_SUBST(ARCHFLAGS)
AC_SUBST(LDARCHFLAGS)
-dnl Setup support for separate 32/64-bit library generation...
-AC_ARG_WITH(arch32flags, [ --with-arch32flags set 32-bit architecture flags])
-ARCH32FLAGS=""
-AC_SUBST(ARCH32FLAGS)
-
-AC_ARG_WITH(arch64flags, [ --with-arch64flags set 64-bit architecture flags])
-ARCH64FLAGS=""
-AC_SUBST(ARCH64FLAGS)
-
dnl Read-only data/program support on Linux...
AC_ARG_ENABLE(relro, [ --enable-relro build with the GCC relro option])
RELROFLAGS=""
AC_SUBST(RELROFLAGS)
-LIBCUPSORDER="libcups.order"
-AC_ARG_WITH(libcupsorder, [ --with-libcupsorder set libcups secorder file, default=libcups.order],
- if test -f "$withval"; then
- LIBCUPSORDER="$withval"
- fi)
-AC_SUBST(LIBCUPSORDER)
-
-LIBCUPSIMAGEORDER="libcupsimage.order"
-AC_ARG_WITH(libcupsimageorder, [ --with-libcupsimagesorder
- set libcupsimage secorder file, default=libcupsimage.order],
- if test -f "$withval"; then
- LIBCUPSIMAGEORDER="$withval"
- fi)
-AC_SUBST(LIBCUPSIMAGEORDER)
-
-PHPOPTIONS=""
-AC_SUBST(PHPOPTIONS)
-
if test -n "$GCC"; then
# Add GCC-specific compiler options...
if test -z "$OPTIM"; then
fi
# Generate position-independent code as needed...
- if test $PICFLAG = 1 -a $uname != AIX; then
+ if test $PICFLAG = 1; then
OPTIM="-fPIC $OPTIM"
fi
# The -fstack-protector option is available with some versions of
# GCC and adds "stack canaries" which detect when the return address
# has been overwritten, preventing many types of exploit attacks.
- AC_MSG_CHECKING(if GCC supports -fstack-protector)
+ AC_MSG_CHECKING(whether compiler supports -fstack-protector)
OLDCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fstack-protector"
- AC_TRY_COMPILE(,,
- OPTIM="$OPTIM -fstack-protector"
+ AC_TRY_LINK(,,
+ if test "x$LSB_BUILD" = xy; then
+ # Can't use stack-protector with LSB binaries...
+ OPTIM="$OPTIM -fno-stack-protector"
+ else
+ OPTIM="$OPTIM -fstack-protector"
+ fi
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
CFLAGS="$OLDCFLAGS"
- # The -pie option is available with some versions of GCC and adds
- # randomization of addresses, which avoids another class of exploits
- # that depend on a fixed address for common functions.
- AC_MSG_CHECKING(if GCC supports -pie)
- OLDCFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -pie -fPIE"
- AC_TRY_COMPILE(,,
- PIEFLAGS="-pie -fPIE"
- AC_MSG_RESULT(yes),
- AC_MSG_RESULT(no))
- CFLAGS="$OLDCFLAGS"
+ if test "x$LSB_BUILD" != xy; then
+ # The -fPIE option is available with some versions of GCC and
+ # adds randomization of addresses, which avoids another class of
+ # exploits that depend on a fixed address for common functions.
+ #
+ # Not available to LSB binaries...
+ AC_MSG_CHECKING(whether compiler supports -fPIE)
+ OLDCFLAGS="$CFLAGS"
+ case "$uname" in
+ Darwin*)
+ CFLAGS="$CFLAGS -fPIE -Wl,-pie"
+ AC_TRY_COMPILE(,,[
+ PIEFLAGS="-fPIE -Wl,-pie"
+ AC_MSG_RESULT(yes)],
+ AC_MSG_RESULT(no))
+ ;;
+
+ *)
+ CFLAGS="$CFLAGS -fPIE -pie"
+ AC_TRY_COMPILE(,,[
+ PIEFLAGS="-fPIE -pie"
+ AC_MSG_RESULT(yes)],
+ AC_MSG_RESULT(no))
+ ;;
+ esac
+ CFLAGS="$OLDCFLAGS"
+ fi
if test "x$with_optim" = x; then
# Add useful warning options for tracking down problems...
- OPTIM="-Wall -Wno-format-y2k $OPTIM"
+ OPTIM="-Wall -Wno-format-y2k -Wunused $OPTIM"
+
+ AC_MSG_CHECKING(whether compiler supports -Wno-unused-result)
+ OLDCFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -Wno-unused-result"
+ AC_TRY_COMPILE(,,
+ [OPTIM="$OPTIM -Wno-unused-result"
+ AC_MSG_RESULT(yes)],
+ AC_MSG_RESULT(no))
+ CFLAGS="$OLDCFLAGS"
+
+ AC_MSG_CHECKING(whether compiler supports -Wsign-conversion)
+ OLDCFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -Wsign-conversion"
+ AC_TRY_COMPILE(,,
+ [OPTIM="$OPTIM -Wsign-conversion"
+ AC_MSG_RESULT(yes)],
+ AC_MSG_RESULT(no))
+ CFLAGS="$OLDCFLAGS"
+
+ AC_MSG_CHECKING(whether compiler supports -Wno-tautological-compare)
+ OLDCFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -Wno-tautological-compare"
+ AC_TRY_COMPILE(,,
+ [OPTIM="$OPTIM -Wno-tautological-compare"
+ AC_MSG_RESULT(yes)],
+ AC_MSG_RESULT(no))
+ CFLAGS="$OLDCFLAGS"
+
# Additional warning options for development testing...
if test -d .svn; then
- OPTIM="-Wshadow -Wunused $OPTIM"
- CFLAGS="-Werror-implicit-function-declaration $CFLAGS"
- PHPOPTIONS="-Wno-shadow"
+ OPTIM="-Werror $OPTIM"
fi
fi
# checking, basically wrapping all string functions
# with buffer-limited ones. Not strictly needed for
# CUPS since we already use buffer-limited calls, but
- # this will catch any additions that are broken.
+ # this will catch any additions that are broken.
CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2"
-
- if test x$enable_pie = xyes; then
- # GCC 4 on Mac OS X needs -Wl,-pie as well
- LDFLAGS="$LDFLAGS -Wl,-pie"
- fi
- ;;
-
- HP-UX*)
- if test "x$enable_32bit" = xyes; then
- # Build 32-bit libraries, 64-bit base...
- if test -z "$with_arch32flags"; then
- ARCH32FLAGS="-milp32"
- else
- ARCH32FLAGS="$with_arch32flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch64flags"; then
- ARCHFLAGS="-mlp64"
- else
- ARCHFLAGS="$with_arch64flags"
- fi
- fi
- fi
-
- if test "x$enable_64bit" = xyes; then
- # Build 64-bit libraries, 32-bit base...
- if test -z "$with_arch64flags"; then
- ARCH64FLAGS="-mlp64"
- else
- ARCH64FLAGS="$with_arch64flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch32flags"; then
- ARCHFLAGS="-milp32"
- else
- ARCHFLAGS="$with_arch32flags"
- fi
- fi
- fi
- ;;
-
- IRIX)
- if test "x$enable_32bit" = xyes; then
- # Build 32-bit libraries, 64-bit base...
- if test -z "$with_arch32flags"; then
- ARCH32FLAGS="-n32 -mips3"
- else
- ARCH32FLAGS="$with_arch32flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch64flags"; then
- ARCHFLAGS="-64 -mips4"
- else
- ARCHFLAGS="$with_arch64flags"
- fi
- fi
- fi
-
- if test "x$enable_64bit" = xyes; then
- # Build 64-bit libraries, 32-bit base...
- if test -z "$with_arch64flags"; then
- ARCH64FLAGS="-64 -mips4"
- else
- ARCH64FLAGS="$with_arch64flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch32flags"; then
- ARCHFLAGS="-n32 -mips3"
- else
- ARCHFLAGS="$with_arch32flags"
- fi
- fi
- fi
;;
Linux*)
# The -z relro option is provided by the Linux linker command to
# make relocatable data read-only.
if test x$enable_relro = xyes; then
- RELROFLAGS="-Wl,-z,relro"
- fi
-
- if test "x$enable_32bit" = xyes; then
- # Build 32-bit libraries, 64-bit base...
- if test -z "$with_arch32flags"; then
- ARCH32FLAGS="-m32"
- else
- ARCH32FLAGS="$with_arch32flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch64flags"; then
- ARCHFLAGS="-m64"
- else
- ARCHFLAGS="$with_arch64flags"
- fi
- fi
- fi
-
- if test "x$enable_64bit" = xyes; then
- # Build 64-bit libraries, 32-bit base...
- if test -z "$with_arch64flags"; then
- ARCH64FLAGS="-m64"
- else
- ARCH64FLAGS="$with_arch64flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch32flags"; then
- ARCHFLAGS="-m32"
- else
- ARCHFLAGS="$with_arch32flags"
- fi
- fi
- fi
- ;;
-
- SunOS*)
- if test "x$enable_32bit" = xyes; then
- # Build 32-bit libraries, 64-bit base...
- if test -z "$with_arch32flags"; then
- ARCH32FLAGS="-m32"
- else
- ARCH32FLAGS="$with_arch32flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch64flags"; then
- ARCHFLAGS="-m64"
- else
- ARCHFLAGS="$with_arch64flags"
- fi
- fi
- fi
-
- if test "x$enable_64bit" = xyes; then
- # Build 64-bit libraries, 32-bit base...
- if test -z "$with_arch64flags"; then
- ARCH64FLAGS="-m64"
- else
- ARCH64FLAGS="$with_arch64flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch32flags"; then
- ARCHFLAGS="-m32"
- else
- ARCHFLAGS="$with_arch32flags"
- fi
- fi
+ RELROFLAGS="-Wl,-z,relro,-z,now"
fi
;;
esac
else
# Add vendor-specific compiler options...
case $uname in
- AIX*)
- if test -z "$OPTIM"; then
- if test "x$with_optim" = x; then
- OPTIM="-O2 -qmaxmem=6000"
- else
- OPTIM="$with_optim $OPTIM"
- fi
- fi
- ;;
- HP-UX*)
- if test -z "$OPTIM"; then
- if test "x$with_optim" = x; then
- OPTIM="+O2"
- else
- OPTIM="$with_optim $OPTIM"
- fi
- fi
-
- CFLAGS="-Ae $CFLAGS"
-
- if test $PICFLAG = 1; then
- OPTIM="+z $OPTIM"
- fi
-
- if test "x$enable_32bit" = xyes; then
- # Build 32-bit libraries, 64-bit base...
- if test -z "$with_arch32flags"; then
- ARCH32FLAGS="+DD32"
- else
- ARCH32FLAGS="$with_arch32flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch64flags"; then
- ARCHFLAGS="+DD64"
- else
- ARCHFLAGS="$with_arch64flags"
- fi
- fi
- fi
-
- if test "x$enable_64bit" = xyes; then
- # Build 64-bit libraries, 32-bit base...
- if test -z "$with_arch64flags"; then
- ARCH64FLAGS="+DD64"
- else
- ARCH64FLAGS="$with_arch64flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch32flags"; then
- ARCHFLAGS="+DD32"
- else
- ARCHFLAGS="$with_arch32flags"
- fi
- fi
- fi
- ;;
- IRIX)
- if test -z "$OPTIM"; then
- if test "x$with_optim" = x; then
- OPTIM="-O2"
- else
- OPTIM="$with_optim $OPTIM"
- fi
- fi
-
- if test "x$with_optim" = x; then
- OPTIM="-fullwarn -woff 1183,1209,1349,1506,3201 $OPTIM"
- fi
-
- if test "x$enable_32bit" = xyes; then
- # Build 32-bit libraries, 64-bit base...
- if test -z "$with_arch32flags"; then
- ARCH32FLAGS="-n32 -mips3"
- else
- ARCH32FLAGS="$with_arch32flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch64flags"; then
- ARCHFLAGS="-64 -mips4"
- else
- ARCHFLAGS="$with_arch64flags"
- fi
- fi
- fi
-
- if test "x$enable_64bit" = xyes; then
- # Build 64-bit libraries, 32-bit base...
- if test -z "$with_arch64flags"; then
- ARCH64FLAGS="-64 -mips4"
- else
- ARCH64FLAGS="$with_arch64flags"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch32flags"; then
- ARCHFLAGS="-n32 -mips3"
- else
- ARCHFLAGS="$with_arch32flags"
- fi
- fi
- fi
- ;;
- OSF*)
- # Tru64 UNIX aka Digital UNIX aka OSF/1
- if test -z "$OPTIM"; then
- if test "x$with_optim" = x; then
- OPTIM="-O"
- else
- OPTIM="$with_optim"
- fi
- fi
- ;;
SunOS*)
# Solaris
if test -z "$OPTIM"; then
fi
fi
- if test $PICFLAG = 1; then
- OPTIM="-KPIC $OPTIM"
- fi
-
- if test "x$enable_32bit" = xyes; then
- # Compiling on a Solaris system, build 64-bit
- # binaries with separate 32-bit libraries...
- ARCH32FLAGS="-xarch=generic"
-
- if test "x$with_optim" = x; then
- # Suppress all of Sun's questionable
- # warning messages, and default to
- # 64-bit compiles of everything else...
- OPTIM="-w $OPTIM"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch64flags"; then
- ARCHFLAGS="-xarch=generic64"
- else
- ARCHFLAGS="$with_arch64flags"
- fi
- fi
- else
- if test "x$enable_64bit" = xyes; then
- # Build 64-bit libraries...
- ARCH64FLAGS="-xarch=generic64"
- fi
-
- if test "x$with_optim" = x; then
- # Suppress all of Sun's questionable
- # warning messages, and default to
- # 32-bit compiles of everything else...
- OPTIM="-w $OPTIM"
- fi
-
- if test -z "$with_archflags"; then
- if test -z "$with_arch32flags"; then
- ARCHFLAGS="-xarch=generic"
- else
- ARCHFLAGS="$with_arch32flags"
- fi
- fi
- fi
- ;;
- UNIX_SVR*)
- # UnixWare
- if test -z "$OPTIM"; then
- if test "x$with_optim" = x; then
- OPTIM="-O"
- else
- OPTIM="$with_optim $OPTIM"
- fi
- fi
-
if test $PICFLAG = 1; then
OPTIM="-KPIC $OPTIM"
fi
# should contribute the necessary options to
# cups-support@cups.org...
echo "Building CUPS with default compiler optimizations; contact"
- echo "cups-bugs@cups.org with uname and compiler options needed"
+ echo "cups-devel@cups.org with uname and compiler options needed"
echo "for your platform, or set the CFLAGS and LDFLAGS environment"
echo "variables before running configure."
;;
# Add general compiler options per platform...
case $uname in
- HP-UX*)
- # HP-UX 10.20 (at least) needs this definition to get the
- # h_errno global...
- OPTIM="$OPTIM -D_XOPEN_SOURCE_EXTENDED"
-
- # HP-UX 11.00 (at least) needs this definition to get the
- # u_short type used by the IP headers...
- OPTIM="$OPTIM -D_INCLUDE_HPUX_SOURCE"
-
- # HP-UX 11.23 (at least) needs this definition to get the
- # IPv6 header to work...
- OPTIM="$OPTIM -D_HPUX_SOURCE"
- ;;
-
Linux*)
# glibc 2.8 and higher breaks peer credentials unless you
# define _GNU_SOURCE...
OPTIM="$OPTIM -D_GNU_SOURCE"
;;
-
- OSF*)
- # Tru64 UNIX aka Digital UNIX aka OSF/1 need to be told
- # to be POSIX-compliant...
- OPTIM="$OPTIM -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_OSF_SOURCE"
- ;;
esac
-
-dnl
-dnl End of "$Id: cups-compiler.m4 7871 2008-08-27 21:12:43Z mike $".
-dnl
projects / thirdparty / cups.git / blobdiff