[Define this to check for errors in cons list.])
fi
+AC_ARG_ENABLE(use-lisp-union-type,
+[AS_HELP_STRING([--enable-use-lisp-union-type],
+ [use a union for the Lisp_Object data type.
+ This is only useful for development for catching certain types of bugs.])],
+if test "${enableval}" != "no"; then
+ AC_DEFINE(USE_LISP_UNION_TYPE, 1,
+ [Define this to use a lisp union for the Lisp_Object data type.])
+fi)
+
+
AC_ARG_ENABLE(profiling,
[AS_HELP_STRING([--enable-profiling],
[build emacs with profiling support.
PROFILING_CFLAGS=
PROFILING_LDFLAGS=
fi
+AC_SUBST(PROFILING_CFLAGS)
+AC_SUBST(PROFILING_LDFLAGS)
AC_ARG_ENABLE(autodepend,
[AS_HELP_STRING([--enable-autodepend],
CC="$NON_GNU_CC"
fi
-if test x$GCC = xyes; then
- C_OPTIMIZE_SWITCH=-O2
- test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
-else
- dnl FIXME? unused.
- C_OPTIMIZE_SWITCH=-O
- test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
-fi
-
dnl checks for Unix variants
AC_USE_SYSTEM_EXTENSIONS
unset has_option
unset SAVE_CFLAGS
+### Use -Wold-style-definition if the compiler supports it
+# This can be removed when conversion to standard C is finished.
+AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
+SAVE_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wold-style-definition"
+AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
+if test $has_option = yes; then
+ C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
+fi
+AC_MSG_RESULT($has_option)
+CFLAGS="$SAVE_CFLAGS"
+unset has_option
+unset SAVE_CFLAGS
+AC_SUBST(C_WARNINGS_SWITCH)
+
+
#### Some other nice autoconf tests.
dnl checks for programs
LDFLAGS=$late_LDFLAGS
[AC_MSG_RESULT(no)])
-LDFLAGS="${LDFLAGS} ${PROFILING_LDFLAGS}"
-
# The value of CPP is a quoted variable reference, so we need to do this
# to get its actual value...
CPP=`eval "echo $CPP"`
-### First figure out CFLAGS (which we use for running the compiler here)
-### and REAL_CFLAGS (which we use for real compilation).
-### The two are the same except on a few systems, where they are made
-### different to work around various lossages. For example,
-### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
-### as implying static linking.
-
-### If the CFLAGS env var is specified, we use that value
-### instead of the default.
-
-dnl C_OPTIMIZE_SWITCH unused save for gcc, so why set it for non-gcc?
-dnl Note AC_PROG_CC sets CFLAGS to -g -O2 for gcc anyway.
-if test "x$SPECIFIED_CFLAGS" = x; then
- if test x$GCC = xyes; then
- CFLAGS="-g $C_OPTIMIZE_SWITCH"
- REAL_CFLAGS="$CFLAGS $C_WARNINGS_SWITCH $PROFILING_CFLAGS"
- else
- CFLAGS=
- REAL_CFLAGS=
- fi
-else
- REAL_CFLAGS="$CFLAGS"
-fi
-
-
dnl Not used by any currently supported platform.
dnl The function dump-emacs will not be defined and temacs will do
dnl (load "loadup") automatically unless told otherwise.
UNEXEC_OBJ=unexelf.o
case "$opsys" in
+ # MSDOS uses unexec.o
+ # MSWindows uses unexw32.o
aix4-2)
UNEXEC_OBJ=unexaix.o
;;
case $opsys in
cygwin )
LIB_MATH=
- START_FILES='ecrt0.o'
+ START_FILES='pre-crt0.o'
;;
darwin )
## Adding -lm confuses the dynamic linker, so omit it.
linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
- sys/utsname.h pwd.h utmp.h)
+ sys/utsname.h pwd.h utmp.h dirent.h)
AC_MSG_CHECKING(if personality LINUX32 can be set)
AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
tmp_CFLAGS="$CFLAGS"
CPPFLAGS="$CPPFLAGS -x objective-c"
CFLAGS="$CFLAGS -x objective-c"
-TEMACS_LDFLAGS2="\${LDFLAGS}"
+TEMACS_LDFLAGS2="\${LDFLAGS} \${PROFILING_LDFLAGS}"
dnl I don't think it's especially important, but src/Makefile.in
dnl (now the only user of ns_appdir) used to go to the trouble of adding a
dnl trailing "/" to it, so now we do it here.
GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
- REAL_CFLAGS="$REAL_CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
LIB_STANDARD=
START_FILES=
# used for the tests that follow. We set them back to REAL_CFLAGS and
# REAL_CPPFLAGS later on.
+REAL_CFLAGS="$CFLAGS"
REAL_CPPFLAGS="$CPPFLAGS"
if test "${HAVE_X11}" = "yes"; then
AC_CHECK_FUNCS(gethostname getdomainname dup2 \
rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
-random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
+random lrand48 logb frexp fmod rint cbrt ftime setsid \
strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
-__fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
+__fpending mblen mbrlen mbsinit strsignal setitimer ualarm strchr strrchr \
sendto recvfrom getsockopt setsockopt getsockname getpeername \
-gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
+gai_strerror mkstemp getline getdelim mremap memmove fsync sync \
memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
-cfmakeraw cfsetspeed isnan copysign)
+cfmakeraw cfsetspeed isnan copysign __executable_start)
AC_CHECK_HEADERS(sys/un.h)
ORDINARY_LINK=
case "$opsys" in
## gnu: GNU needs its own crt0.
- aix4-2|darwin|gnu|usg5-4|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
-
- cygwin) LINKER="\$(CC)" ;;
+ aix4-2|cygwin|darwin|gnu|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
## library search parth, i.e. it won't search /usr/lib for libc and
esac
-PRE_EDIT_LDFLAGS=
-POST_EDIT_LDFLAGS=
if test "x$ORDINARY_LINK" = "xyes"; then
LINKER="\$(CC)"
## searching for libraries in its internal directories, so we have to
## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
LINKER="\$(CC) -nostdlib"
- ## GCC passes any argument prefixed with -Xlinker directly to the linker.
- ## See prefix-args.c for an explanation of why we do not do this with the
- ## shell''s ``for'' construct. Note that sane people do not have '.' in
- ## their paths, so we must use ./prefix-args.
- ## TODO either make prefix-args check ORDINARY_LINK internally,
- ## or remove it altogether (bug#6184), removing the need for this hack.
- PRE_EDIT_LDFLAGS='`./prefix-args -Xlinker'
- POST_EDIT_LDFLAGS='`'
-fi
-AC_SUBST(PRE_EDIT_LDFLAGS)
-AC_SUBST(POST_EDIT_LDFLAGS)
+fi
test "x$LINKER" = "x" && LINKER=ld
## FIXME? What setting of EDIT_LDFLAGS should this have?
if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
case "$opsys" in
- ## cygwin: don't link against static libgcc.
- cygwin|freebsd|netbsd|openbsd) LIB_GCC= ;;
+ freebsd|netbsd|openbsd) LIB_GCC= ;;
gnu-*)
## armin76@gentoo.org reported that the lgcc_s flag is necessary to
#define my_strftime nstrftime /* for strftime.c */
-/* Some of the files of Emacs which are intended for use with other
- programs assume that if you have a config.h file, you must declare
- the type of getenv. */
-extern char *getenv ();
-
/* These default definitions are good for almost all machines.
The exceptions override them in m/MACHINE.h. */
/* Define if the compiler supports function prototypes. It may do so but
not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
#undef PROTOTYPES
-/* For mktime.c: */
-#ifndef __P
-# if defined PROTOTYPES
-# define __P(args) args
-# else
-# define __P(args) ()
-# endif /* GCC. */
-#endif /* __P */
#ifdef HAVE_STRING_H
#include <string.h>
#endif
-#ifdef HAVE_STRINGS_H
-#include <strings.h> /* May be needed for bcopy & al. */
-#endif
-
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
typedef unsigned size_t;
#endif
+#ifndef HAVE_STRCHR
+#define strchr(a, b) index (a, b)
+#endif
+
+#ifndef HAVE_STRRCHR
+#define strrchr(a, b) rindex (a, b)
+#endif
+
#if defined __GNUC__ && (__GNUC__ > 2 \
|| (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
#define NO_RETURN __attribute__ ((__noreturn__))
# endif
#endif
-#ifndef HAVE_BCOPY
-#define bcopy(a,b,s) memcpy (b,a,s)
-#endif
-#ifndef HAVE_BZERO
-#define bzero(a,s) memset (a,0,s)
-#endif
-#ifndef HAVE_BCMP
-#define BCMP memcmp
-#endif
-
#endif /* EMACS_CONFIG_H */
/*
HCoop / bpt / emacs.git / blobdiff