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* aclocal.m4 (OBJC_SYS_AUTOLOAD): Define CON_AUTOLOAD if

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/usr/include/elf.h exists. Use yes/no rather than 1/0.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@732 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Andrew McCallum 1996-01-16 23:32:15 +00:00
parent 5426a475aa
commit 34b738b7bb
1 changed files with 15 additions and 6 deletions
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21
aclocal.m4 vendored
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@ -28,13 +28,22 @@ AC_DEFUN(OBJC_SYS_AUTOLOAD,
# loading of constructor functions, et. al. (e.g. ELF format).
#
# Currently only looks for ELF format. NOTE: Checking for __ELF__ being
# defined doesnt work, since gcc on Solaris does not define this
# defined doesnt work, since gcc on Solaris does not define this. I'm
# assuming that machines that have elf.h use the ELF library format, what
# is really needed is to check if this is true directly.
#
# Makes the following substitutions:
# Defines SYS_AUTOLOAD
# Defines SYS_AUTOLOAD (whether initializer functions are autoloaded)
# Defines CON_AUTOLOAD (whether constructor functions are autoloaded)
#--------------------------------------------------------------------
AC_CACHE_VAL(objc_cv_sys_autoload,
[AC_CHECK_HEADER(elf.h, [objc_cv_sys_autoload=yes], [objc_cv_sys_autoload=no])
])
if test $objc_cv_sys_autoload = yes; then
AC_DEFINE(CON_AUTOLOAD)
fi
AC_CACHE_VAL(objc_subinit_worked,
[AC_MSG_CHECKING(loading of contructor functions)
[AC_MSG_CHECKING(loading of initializer functions)
AC_TRY_RUN([
static int did_subinit = 0;
static char *name;
@ -54,8 +63,8 @@ int main(int argc, char *argv[])
exit (0);
exit (1);
}
], objc_subinit_worked=1, objc_subinit_worked=0, objc_subinit_worked=0)])
if test $objc_subinit_worked = 1; then
], objc_subinit_worked=yes, objc_subinit_worked=no, objc_subinit_worked=no)])
if test $objc_subinit_worked = yes; then
AC_DEFINE(SYS_AUTOLOAD)
AC_MSG_RESULT(yes)
else
@ -114,7 +123,7 @@ if test $DYNAMIC_LINKER = dld; then
DYNAMIC_LDFLAGS="-static"
DYNAMIC_CFLAGS=""
elif test $DYNAMIC_LINKER = simple; then
if test $objc_subinit_worked = yes; then
if test $objc_cv_sys_autoload = yes; then
DYNAMIC_BUNDLER_LINKER="$(CC) -Xlinker -r"
else
DYNAMIC_BUNDLER_LINKER="$(CC) -nostdlib"