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Test compiler flags for linking too

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Daniel P. Berrange 2007-09-21 20:01:43 +00:00
parent 01422bd794
commit 6f44e36e15
3 changed files with 15 additions and 16 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Fri Sep 21 15:06:00 EST 2007 Daniel P. Berrange <berrange@redhat.com>
* acinclude.m4: Check all compiler flags link successfully
instead of just compiling, to deal with broken debian linker
with stack protector
* configure.in: Remove redundant -fno-stack-protector workaround
Fri Sep 21 15:06:00 EST 2007 Daniel P. Berrange <berrange@redhat.com> Fri Sep 21 15:06:00 EST 2007 Daniel P. Berrange <berrange@redhat.com>
* src/qemu_driver.c: Use libxml for parsing & checking URIs * src/qemu_driver.c: Use libxml for parsing & checking URIs

14
acinclude.m4
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@ -19,21 +19,23 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[
warnCFLAGS= warnCFLAGS=
try_compiler_flags="-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fasynchronous-unwind-tables" common_flags="-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fasynchronous-unwind-tables"
case "$enable_compile_warnings" in case "$enable_compile_warnings" in
no) no)
try_compiler_flags=""
;; ;;
minimum) minimum)
try_compiler_flags="$try_compiler_flags -Wall" try_compiler_flags="-Wall $common_flags"
;; ;;
yes) yes)
try_compiler_flags="$try_compiler_flags -Wall -Wmissing-prototypes" try_compiler_flags="-Wall -Wmissing-prototypes $common_flags"
;; ;;
maximum|error) maximum|error)
try_compiler_flags="$try_compiler_flags -Wall -Wmissing-prototypes -Wnested-externs -Wpointer-arith" try_compiler_flags="-Wall -Wmissing-prototypes -Wnested-externs -Wpointer-arith"
try_compiler_flags="$try_compiler_flags -Wextra -Wshadow -Wcast-align -Wwrite-strings -Waggregate-return" try_compiler_flags="$try_compiler_flags -Wextra -Wshadow -Wcast-align -Wwrite-strings -Waggregate-return"
try_compiler_flags="$try_compiler_flags -Wstrict-prototypes -Winline -Wredundant-decls -Wno-sign-compare" try_compiler_flags="$try_compiler_flags -Wstrict-prototypes -Winline -Wredundant-decls -Wno-sign-compare"
try_compiler_flags="$try_compiler_flags $common_flags"
if test "$enable_compile_warnings" = "error" ; then if test "$enable_compile_warnings" = "error" ; then
try_compiler_flags="$try_compiler_flags -Werror" try_compiler_flags="$try_compiler_flags -Werror"
fi fi
@ -48,7 +50,7 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[
SAVE_CFLAGS="$CFLAGS" SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $option" CFLAGS="$CFLAGS $option"
AC_MSG_CHECKING([whether gcc understands $option]) AC_MSG_CHECKING([whether gcc understands $option])
AC_TRY_COMPILE([], [], AC_TRY_LINK([], [],
has_option=yes, has_option=yes,
has_option=no,) has_option=no,)
CFLAGS="$SAVE_CFLAGS" CFLAGS="$SAVE_CFLAGS"

10
configure.in
View File

@ -107,16 +107,6 @@ if test x"$enable_debug" = x"yes"; then
AC_DEFINE(ENABLE_DEBUG, [], [whether debugging is enabled]) AC_DEFINE(ENABLE_DEBUG, [], [whether debugging is enabled])
fi fi
dnl --disable-stack-protector
AC_ARG_ENABLE(stack-protector,
AC_HELP_STRING([--disable-stack-protector],
[disable stack protector]),
[],
[enable_stack_protector=yes])
if test x"$enable_stack_protector" = x"yes"; then
CFLAGS="$CFLAGS -fstack-protector --param=ssp-buffer-size=4"
fi
AC_MSG_CHECKING([where to write libvirtd PID file]) AC_MSG_CHECKING([where to write libvirtd PID file])
AC_ARG_WITH(remote-pid-file, AC_HELP_STRING([--with-remote-pid-file=[pidfile|none]], [PID file for libvirtd])) AC_ARG_WITH(remote-pid-file, AC_HELP_STRING([--with-remote-pid-file=[pidfile|none]], [PID file for libvirtd]))