dnl defines GCC with yes if using gcc
dnl defines GCC empty if not using gcc
dnl defines CFLAGS
+dnl
+dnl this magic incantation is needed to prevent AC_PROG_CC from setting the
+dnl default CFLAGS (something like "-g -O2") - we don't need this as add
+dnl -g and -O flags ourselves below
+CFLAGS=${CFLAGS:=}
AC_PROG_CC
dnl is -traditional needed for correct compilations
dnl defines GXX with yes if using gxx
dnl defines GXX empty if not using gxx
dnl defines CXXFLAGS
+dnl
+dnl see CFLAGS line above
+CXXFLAGS=${CXXFLAGS:=}
AC_PROG_CXX
AC_LANG_RESTORE
case "${host}" in
*-*-solaris2* | *-*-sunos4* )
if test "x$GCC" = "xyes"; then
- dnl apparently some Solaris/gcc combinations use this one
- THREAD_OPTS="$THREAD_OPTS -pthreads"
+ dnl Solaris/gcc combination use this one for some reason
+ THREAD_OPTS="-pthreads $THREAD_OPTS"
else
THREAD_OPTS="-mt $THREAD_OPTS"
fi
dnl simply linking with libpthread should make the test below work but
dnl it's far from certain that the threaded programs compiled without
dnl any special switches actually work, so try it after all the others
- THREAD_OPTS="$THREAD_OPTS -lpthread none"
+ THREAD_OPTS="$THREAD_OPTS pthread none"
dnl now test for all possibilities
THREADS_OK=no
save_LIBS="$LIBS"
save_CFLAGS="$CFLAGS"
LIBS="$THREADS_LINK $LIBS"
- CFLAGS="$CFLAGS $THREADS_CFLAGS"
+ CFLAGS="$THREADS_CFLAGS $CFLAGS"
AC_TRY_LINK([#include <pthread.h>],
[pthread_create(0,0,0,0);],
wxUSE_THREADS=no
AC_MSG_WARN([No thread support on this system... disabled])
else
+ dnl yes, these special compiler flags should be used with the
+ dnl linker as well
+ LIBS="$THREADS_LINK $THREADS_CFLAGS $LIBS"
+
AC_MSG_CHECKING([if more special flags are required for pthreads])
flag=no
case "${host}" in
esac
AC_MSG_RESULT(${flag})
if test "x$flag" != xno; then
- THREADS_CFLAGS="$flag $THREADS_CFLAGS"
- fi
-
- if test "x$THREADS_LINK" != "x"; then
- LIBS="$THREADS_LINK $LIBS"
+ THREADS_CFLAGS="$THREADS_CFLAGS $flag"
fi
if test "x$THREADS_CFLAGS" != "x"; then
+ dnl don't add these options to CPPFLAGS as cpp might not know them
CFLAGS="$CFLAGS $THREADS_CFLAGS"
CXXFLAGS="$CXXFLAGS $THREADS_CFLAGS"
fi
if test "$wxUSE_THREADS" = "yes"; then
AC_DEFINE(wxUSE_THREADS)
- dnl we must define _REENTRANT or something along these lines for MT code
- TOOLCHAIN_DEFS="$TOOLCHAIN_DEFS $THREADS_CFLAGS"
-
SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS thread"
else
dnl on some systems, _REENTRANT should be defined if we want to use any _r()
fi
fi
-
-CXXFLAGS=`echo "${CXXFLAGS}" | sed "s/\-O.//g" `
-CFLAGS=`echo "${CFLAGS}" | sed "s/\-O.//g" `
if test "$wxUSE_OPTIMISE" = "no" ; then
OPTIMISE=
else
EXTRA_CFLAGS="$WXDEBUG $WXODBCFLAG $PROFILE $OPTIMISE $INCLUDES"
+dnl remove the extra white space from the cc/c++/ld options
CFLAGS=`echo $CFLAGS $EXTRA_CFLAGS $CXXWARNINGS | sed 's/ \\+/ /g'`
CXXFLAGS=`echo $CXXFLAGS $EXTRA_CFLAGS $CXXWARNINGS | sed 's/ \+/ /g'`
+LIBS=`echo $LIBS | sed 's/ \+/ /g'`
-LDFLAGS="$LDFLAGS$PROFILE"
+LDFLAGS="$LDFLAGS $PROFILE"
dnl for convenience, sort the samples in alphabetical order
dnl