* acspecific.m4: Likewise.
+2000-02-10 Akim Demaille <akim@epita.fr>
+
+ * acgeneral.m4: Formatting changes.
+ * acspecific.m4: Likewise.
+
2000-02-10 Akim Demaille <akim@epita.fr>
* acgeneral.m4 (_AC_OUTPUT_CONFIG_STATUS): Don't
AC_DEFUN(AC_CONFIG_AUX_DIR,
[AC_CONFIG_AUX_DIRS($1 $srcdir/$1)])
+
+# AC_CONFIG_AUX_DIR_DEFAULT
+# -------------------------
# The default is `$srcdir' or `$srcdir/..' or `$srcdir/../..'.
# There's no need to call this macro explicitly; just AC_REQUIRE it.
AC_DEFUN(AC_CONFIG_AUX_DIR_DEFAULT,
[AC_CONFIG_AUX_DIRS($srcdir $srcdir/.. $srcdir/../..)])
+
# AC_CONFIG_AUX_DIRS(DIR ...)
# ---------------------------
# Internal subroutine.
])# AC_CONFIG_AUX_DIRS
+# AC_CANONICAL_SYSTEM
+# -------------------
# Canonicalize the host, target, and build system types.
AC_DEFUN(AC_CANONICAL_SYSTEM,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
# Subroutines of AC_CANONICAL_SYSTEM.
+
# AC_CANONICAL_THING(THING)
# -------------------------
# Worker routine for AC_CANONICAL_{HOST TARGET BUILD}. THING is one of
CFLAGS=
fi
fi
-])
+])# AC_PROG_CC
+
# AC_PROG_CXX([LIST-OF-COMPILERS])
# --------------------------------
CXXFLAGS=
fi
fi
-])
+])# AC_PROG_CXX
+
# AC_PROG_F77([COMPILERS...])
# ---------------------------
G77=
test "${FFLAGS+set}" = set || FFLAGS="-g"
fi
-])
+])# AC_PROG_F77
# AC_PROG_CC_WORKS
AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) is a cross-compiler])
AC_MSG_RESULT($ac_cv_prog_cc_cross)
cross_compiling=$ac_cv_prog_cc_cross
-])
+])# AC_PROG_CC_WORKS
# AC_PROG_CXX_WORKS
else
ac_cv_prog_gcc=no
fi])dnl
-])
+])# AC_PROG_CC_GNU
# AC_PROG_CXX_GNU
else
ac_cv_prog_gxx=no
fi])dnl
-])
+])# AC_PROG_CXX_GNU
# AC_PROG_F77_GNU
# include <vfork.h>
#endif
/* On some sparc systems, changes by the child to local and incoming
- argument registers are propagated back to the parent.
- The compiler is told about this with #include <vfork.h>,
- but some compilers (e.g. gcc -O) don't grok <vfork.h>.
- Test for this by using a static variable whose address
- is put into a register that is clobbered by the vfork. */
+ argument registers are propagated back to the parent. The compiler
+ is told about this with #include <vfork.h>, but some compilers
+ (e.g. gcc -O) don't grok <vfork.h>. Test for this by using a
+ static variable whose address is put into a register that is
+ clobbered by the vfork. */
static
#ifdef __cplusplus
sparc_address_test (int arg)
child = vfork ();
if (child == 0) {
- /* Here is another test for sparc vfork register problems.
- This test uses lots of local variables, at least
- as many local variables as main has allocated so far
- including compiler temporaries. 4 locals are enough for
- gcc 1.40.3 on a Solaris 4.1.3 sparc, but we use 8 to be safe.
- A buggy compiler should reuse the register of parent
- for one of the local variables, since it will think that
- parent can't possibly be used any more in this routine.
- Assigning to the local variable will thus munge parent
- in the parent process. */
+ /* Here is another test for sparc vfork register problems. This
+ test uses lots of local variables, at least as many local
+ variables as main has allocated so far including compiler
+ temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris
+ 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should
+ reuse the register of parent for one of the local variables,
+ since it will think that parent can't possibly be used any more
+ in this routine. Assigning to the local variable will thus
+ munge parent in the parent process. */
pid_t
p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
|| p != p5 || p != p6 || p != p7)
_exit(1);
- /* On some systems (e.g. IRIX 3.3),
- vfork doesn't separate parent from child file descriptors.
- If the child closes a descriptor before it execs or exits,
- this munges the parent's descriptor as well.
- Test for this by closing stdout in the child. */
+ /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent
+ from child file descriptors. If the child closes a descriptor
+ before it execs or exits, this munges the parent's descriptor
+ as well. Test for this by closing stdout in the child. */
_exit(close(fileno(stdout)) != 0);
} else {
int status;
#include <stdio.h>
/* HP-UX has wait3 but does not fill in rusage at all. */
int
-main()
+main ()
{
struct rusage r;
int i;
r.ru_stime.tv_sec = 0;
r.ru_stime.tv_usec = 0;
r.ru_majflt = r.ru_minflt = 0;
- switch (fork()) {
- case 0: /* Child. */
- sleep(1); /* Give up the CPU. */
- _exit(0);
- case -1: _exit(0); /* What can we do? */
- default: /* Parent. */
- wait3(&i, 0, &r);
- sleep(2); /* Avoid "text file busy" from rm on fast HP-UX machines. */
- exit(r.ru_nvcsw == 0 && r.ru_majflt == 0 && r.ru_minflt == 0
- && r.ru_stime.tv_sec == 0 && r.ru_stime.tv_usec == 0);
- }
+ switch (fork ())
+ {
+ case 0: /* Child. */
+ sleep(1); /* Give up the CPU. */
+ _exit(0);
+ case -1: /* What can we do? */
+ _exit(0);
+ default: /* Parent. */
+ wait3(&i, 0, &r);
+ /* Avoid "text file busy" from rm on fast HP-UX machines. */
+ sleep(2);
+ exit (r.ru_nvcsw == 0 && r.ru_majflt == 0 && r.ru_minflt == 0
+ && r.ru_stime.tv_sec == 0 && r.ru_stime.tv_usec == 0);
+ }
}], ac_cv_func_wait3_rusage=yes, ac_cv_func_wait3_rusage=no,
ac_cv_func_wait3_rusage=no)])
if test $ac_cv_func_wait3_rusage = yes; then
fi
AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
-[AC_TRY_RUN([find_stack_direction ()
+[AC_TRY_RUN(
+[find_stack_direction ()
{
static char *addr = 0;
auto char dummy;
else
return (&dummy > addr) ? 1 : -1;
}
+
int
main ()
{
])# AC_SYS_RESTARTABLE_SYSCALLS
+
+
+## --------------------- ##
+## Checks for X window. ##
+## --------------------- ##
+
+
# AC_PATH_X
# ---------
AC_DEFUN(AC_PATH_X,
ac_x_includes=$x_includes ac_x_libraries=$x_libraries"
AC_MSG_RESULT([libraries $x_libraries, headers $x_includes])
fi
-])
+])# AC_PATH_X
+
+# AC_PATH_X_XMKMF
+# ---------------
# Internal subroutine of AC_PATH_X.
# Set ac_x_includes and/or ac_x_libraries.
AC_DEFUN(AC_PATH_X_XMKMF,
cd ..
rm -fr conftestdir
fi
-])
+])# AC_PATH_X_XMKMF
+
+# AC_PATH_X_DIRECT
+# ----------------
# Internal subroutine of AC_PATH_X.
# Set ac_x_includes and/or ac_x_libraries.
AC_DEFUN(AC_PATH_X_DIRECT,
done
done])
fi # $ac_x_libraries = NO
-])
+])# AC_PATH_X_DIRECT
+
+# AC_PATH_XTRA
+# ------------
# Find additional X libraries, magic flags, etc.
AC_DEFUN(AC_PATH_XTRA,
[AC_REQUIRE([AC_PATH_X])dnl
AC_SUBST(X_PRE_LIBS)dnl
AC_SUBST(X_LIBS)dnl
AC_SUBST(X_EXTRA_LIBS)dnl
-])
+])# AC_PATH_XTRA
+
+
+
+## ------------------------------------ ##
+## Checks for not-quite-Unix variants. ##
+## ------------------------------------ ##
# The old Cygwin32 macro is deprecated.
AU_DEFUN(AC_CYGWIN32,
CYGWIN=
test "$ac_cv_cygwin" = yes && CYGWIN=yes])
+
# AC_MINGW32
# ----------
# Check for mingw32. This is another way to set the right value for
MINGW32=
test "$ac_cv_mingw32" = yes && MINGW32=yes])
+
# AC_EMXOS2
# ---------
# Check for EMX on OS/2. This is another way to set the right value
fi
])# AC_MINIX
+
# AC_ISC_POSIX
# ------------
AC_DEFUN(AC_ISC_POSIX,
AC_DEFUN(AC_CONFIG_AUX_DIR,
[AC_CONFIG_AUX_DIRS($1 $srcdir/$1)])
+
+# AC_CONFIG_AUX_DIR_DEFAULT
+# -------------------------
# The default is `$srcdir' or `$srcdir/..' or `$srcdir/../..'.
# There's no need to call this macro explicitly; just AC_REQUIRE it.
AC_DEFUN(AC_CONFIG_AUX_DIR_DEFAULT,
[AC_CONFIG_AUX_DIRS($srcdir $srcdir/.. $srcdir/../..)])
+
# AC_CONFIG_AUX_DIRS(DIR ...)
# ---------------------------
# Internal subroutine.
])# AC_CONFIG_AUX_DIRS
+# AC_CANONICAL_SYSTEM
+# -------------------
# Canonicalize the host, target, and build system types.
AC_DEFUN(AC_CANONICAL_SYSTEM,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
# Subroutines of AC_CANONICAL_SYSTEM.
+
# AC_CANONICAL_THING(THING)
# -------------------------
# Worker routine for AC_CANONICAL_{HOST TARGET BUILD}. THING is one of
CFLAGS=
fi
fi
-])
+])# AC_PROG_CC
+
# AC_PROG_CXX([LIST-OF-COMPILERS])
# --------------------------------
CXXFLAGS=
fi
fi
-])
+])# AC_PROG_CXX
+
# AC_PROG_F77([COMPILERS...])
# ---------------------------
G77=
test "${FFLAGS+set}" = set || FFLAGS="-g"
fi
-])
+])# AC_PROG_F77
# AC_PROG_CC_WORKS
AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) is a cross-compiler])
AC_MSG_RESULT($ac_cv_prog_cc_cross)
cross_compiling=$ac_cv_prog_cc_cross
-])
+])# AC_PROG_CC_WORKS
# AC_PROG_CXX_WORKS
else
ac_cv_prog_gcc=no
fi])dnl
-])
+])# AC_PROG_CC_GNU
# AC_PROG_CXX_GNU
else
ac_cv_prog_gxx=no
fi])dnl
-])
+])# AC_PROG_CXX_GNU
# AC_PROG_F77_GNU
# include <vfork.h>
#endif
/* On some sparc systems, changes by the child to local and incoming
- argument registers are propagated back to the parent.
- The compiler is told about this with #include <vfork.h>,
- but some compilers (e.g. gcc -O) don't grok <vfork.h>.
- Test for this by using a static variable whose address
- is put into a register that is clobbered by the vfork. */
+ argument registers are propagated back to the parent. The compiler
+ is told about this with #include <vfork.h>, but some compilers
+ (e.g. gcc -O) don't grok <vfork.h>. Test for this by using a
+ static variable whose address is put into a register that is
+ clobbered by the vfork. */
static
#ifdef __cplusplus
sparc_address_test (int arg)
child = vfork ();
if (child == 0) {
- /* Here is another test for sparc vfork register problems.
- This test uses lots of local variables, at least
- as many local variables as main has allocated so far
- including compiler temporaries. 4 locals are enough for
- gcc 1.40.3 on a Solaris 4.1.3 sparc, but we use 8 to be safe.
- A buggy compiler should reuse the register of parent
- for one of the local variables, since it will think that
- parent can't possibly be used any more in this routine.
- Assigning to the local variable will thus munge parent
- in the parent process. */
+ /* Here is another test for sparc vfork register problems. This
+ test uses lots of local variables, at least as many local
+ variables as main has allocated so far including compiler
+ temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris
+ 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should
+ reuse the register of parent for one of the local variables,
+ since it will think that parent can't possibly be used any more
+ in this routine. Assigning to the local variable will thus
+ munge parent in the parent process. */
pid_t
p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
|| p != p5 || p != p6 || p != p7)
_exit(1);
- /* On some systems (e.g. IRIX 3.3),
- vfork doesn't separate parent from child file descriptors.
- If the child closes a descriptor before it execs or exits,
- this munges the parent's descriptor as well.
- Test for this by closing stdout in the child. */
+ /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent
+ from child file descriptors. If the child closes a descriptor
+ before it execs or exits, this munges the parent's descriptor
+ as well. Test for this by closing stdout in the child. */
_exit(close(fileno(stdout)) != 0);
} else {
int status;
#include <stdio.h>
/* HP-UX has wait3 but does not fill in rusage at all. */
int
-main()
+main ()
{
struct rusage r;
int i;
r.ru_stime.tv_sec = 0;
r.ru_stime.tv_usec = 0;
r.ru_majflt = r.ru_minflt = 0;
- switch (fork()) {
- case 0: /* Child. */
- sleep(1); /* Give up the CPU. */
- _exit(0);
- case -1: _exit(0); /* What can we do? */
- default: /* Parent. */
- wait3(&i, 0, &r);
- sleep(2); /* Avoid "text file busy" from rm on fast HP-UX machines. */
- exit(r.ru_nvcsw == 0 && r.ru_majflt == 0 && r.ru_minflt == 0
- && r.ru_stime.tv_sec == 0 && r.ru_stime.tv_usec == 0);
- }
+ switch (fork ())
+ {
+ case 0: /* Child. */
+ sleep(1); /* Give up the CPU. */
+ _exit(0);
+ case -1: /* What can we do? */
+ _exit(0);
+ default: /* Parent. */
+ wait3(&i, 0, &r);
+ /* Avoid "text file busy" from rm on fast HP-UX machines. */
+ sleep(2);
+ exit (r.ru_nvcsw == 0 && r.ru_majflt == 0 && r.ru_minflt == 0
+ && r.ru_stime.tv_sec == 0 && r.ru_stime.tv_usec == 0);
+ }
}], ac_cv_func_wait3_rusage=yes, ac_cv_func_wait3_rusage=no,
ac_cv_func_wait3_rusage=no)])
if test $ac_cv_func_wait3_rusage = yes; then
fi
AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
-[AC_TRY_RUN([find_stack_direction ()
+[AC_TRY_RUN(
+[find_stack_direction ()
{
static char *addr = 0;
auto char dummy;
else
return (&dummy > addr) ? 1 : -1;
}
+
int
main ()
{
])# AC_SYS_RESTARTABLE_SYSCALLS
+
+
+## --------------------- ##
+## Checks for X window. ##
+## --------------------- ##
+
+
# AC_PATH_X
# ---------
AC_DEFUN(AC_PATH_X,
ac_x_includes=$x_includes ac_x_libraries=$x_libraries"
AC_MSG_RESULT([libraries $x_libraries, headers $x_includes])
fi
-])
+])# AC_PATH_X
+
+# AC_PATH_X_XMKMF
+# ---------------
# Internal subroutine of AC_PATH_X.
# Set ac_x_includes and/or ac_x_libraries.
AC_DEFUN(AC_PATH_X_XMKMF,
cd ..
rm -fr conftestdir
fi
-])
+])# AC_PATH_X_XMKMF
+
+# AC_PATH_X_DIRECT
+# ----------------
# Internal subroutine of AC_PATH_X.
# Set ac_x_includes and/or ac_x_libraries.
AC_DEFUN(AC_PATH_X_DIRECT,
done
done])
fi # $ac_x_libraries = NO
-])
+])# AC_PATH_X_DIRECT
+
+# AC_PATH_XTRA
+# ------------
# Find additional X libraries, magic flags, etc.
AC_DEFUN(AC_PATH_XTRA,
[AC_REQUIRE([AC_PATH_X])dnl
AC_SUBST(X_PRE_LIBS)dnl
AC_SUBST(X_LIBS)dnl
AC_SUBST(X_EXTRA_LIBS)dnl
-])
+])# AC_PATH_XTRA
+
+
+
+## ------------------------------------ ##
+## Checks for not-quite-Unix variants. ##
+## ------------------------------------ ##
# The old Cygwin32 macro is deprecated.
AU_DEFUN(AC_CYGWIN32,
CYGWIN=
test "$ac_cv_cygwin" = yes && CYGWIN=yes])
+
# AC_MINGW32
# ----------
# Check for mingw32. This is another way to set the right value for
MINGW32=
test "$ac_cv_mingw32" = yes && MINGW32=yes])
+
# AC_EMXOS2
# ---------
# Check for EMX on OS/2. This is another way to set the right value
fi
])# AC_MINIX
+
# AC_ISC_POSIX
# ------------
AC_DEFUN(AC_ISC_POSIX,
projects / thirdparty / autoconf.git / commitdiff
