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aclocal.m4
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aclocal.m4
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dnl REG_CHECK_CC_O
dnl REG_CHECK__SIGHANDLER_T
dnl REG_STRUCT_RANDOM_DATA
dnl REG_GETGRGID_R_INT_RETURN_5_PARAMS
dnl REG_GETGRGID_R_INT_RETURN_4_PARAMS
dnl REG_GETGRGID_R_STRUCT_RETURN
dnl REG_GETPWUID_R_INT_RETURN
dnl REG_GETPWUID_R_STRUCT_RETURN
dnl REG_GETHOSTBYNAME_R_INT_RETURN_6_PARAMS
dnl REG_GETHOSTBYNAME_R_STRUCT_RETURN_5_PARAMS
dnl REG_CHECK_POSIX_THREADS
dnl REG_HOWTO_DYN_LINK
dnl REG_CHECK_CRYPT
dnl REG_SHLPST
dnl REG_SET_SHLPST
dnl REG_SHARED_LIBRARY
dnl REG_STATIC_LOADING
dnl REG_CHECK_UNSIGNED_CHAR_COMPILER_SWITCH
dnl REG_CHECK_TYPE_SOCKLEN_T
dnl REG_CHECK_F_MNTFROMNAME
dnl REG_HAVE_SYSTEMD
dnl
dnl ---------------------------------------------------------------------------
dnl Check if C compiler supports -c -o file.ooo
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_CHECK_CC_O],
[
AC_MSG_CHECKING(whether $CC understands -c and -o together)
set dummy $CC; ac_cc="`echo [$]2 |
changequote(, )dnl
sed -e 's/[^a-zA-Z0-9_]/_/g' -e 's/^[0-9]/_/'`"
changequote([, ])dnl
AC_CACHE_VAL(ac_cv_prog_cc_${ac_cc}_c_o,
[echo 'int foo(){}' > conftest.c
# We do the test twice because some compilers refuse to overwrite an
# existing .o file with -o, though they will create one.
eval ac_cv_prog_cc_${ac_cc}_c_o=no
ac_try='${CC-cc} -c conftest.c -o conftest.ooo 1>&AC_FD_CC'
if AC_TRY_EVAL(ac_try) && test -f conftest.ooo && AC_TRY_EVAL(ac_try);
then
ac_try='${CC-cc} -c conftest.c -o conftest.ooo 1>&AC_FD_CC'
if AC_TRY_EVAL(ac_try) && test -f conftest.ooo && AC_TRY_EVAL(ac_try);
then
eval ac_cv_prog_cc_${ac_cc}_c_o=yes
fi
fi
rm -f conftest*
])dnl
if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = yes"; then
O2SHO=""
O2SAVE=""
SAVE2O=""
O2TSO=""
O2TSAVE=""
TSAVE2O=""
CC2O="-o $"'@'
AC_MSG_RESULT(yes)
else
O2SHO="-mv \`basename "$'@'" .so.o\`.o "$'@'
O2SAVE="-mv \`basename "$'@'" .so.o\`.o \`basename "$'@'" .so.o\`.o.save"
SAVE2O="-mv \`basename "$'@'" .so.o\`.o.save \`basename "$'@'" .so.o\`.o"
O2TSO="-mv \`basename "$'@'" .tso\`.o "$'@'
O2TSAVE="-mv \`basename "$'@'" .tso\`.o \`basename "$'@'" .tso\`.tso.save"
TSAVE2O="-mv \`basename "$'@'" .tso\`.tso.save \`basename "$'@'" .tso\`.o"
CC2O=""
AC_MSG_RESULT(no)
fi
])
dnl ---------------------------------------------------------------------------
dnl Check if gcc compiler supports -fno-strict-aliasing - not used
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_CHECK_GCC_STRICT_ALIASING],
[
AC_MSG_CHECKING(whether gcc understands -fno-strict-aliasing)
AC_CACHE_VAL(
[mh_strict_aliasing],
[
mh_save_libs="$LIBS"
LIBS="-fno-strict-aliasing"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <stdio.h>
#include <stdlib.h>],
[exit(0)])],
[mh_strict_aliasing=yes],
[mh_strict_aliasing=no]
)
LIBS="$mh_save_libs"
if test "$mh_strict_aliasing" = yes; then
MH_STRICT_ALIASING="-fno-strict-aliasing"
else
MH_STRICT_ALIASING=""
fi
AC_SUBST(MH_STRICT_ALIASING)
])
AC_MSG_RESULT($mh_strict_aliasing)
])
dnl ---------------------------------------------------------------------------
dnl Check if compiler supports __builtin_return_address
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_CHECK_BUILTIN_RETURN_ADDRESS],
[
AC_MSG_CHECKING(whether compiler supports __builtin_return_address inline function)
AC_CACHE_VAL(
[mh_cv_builtin_return_address],
[
AC_TRY_LINK(
[#include <stdio.h>],
[__builtin_return_address(0)],
[mh_cv_builtin_return_address=yes],
[mh_cv_builtin_return_address=no]
)
])
AC_MSG_RESULT($mh_cv_builtin_return_address)
if test "$mh_cv_builtin_return_address" = yes; then
AC_DEFINE(HAVE_BUILTIN_RETURN_ADDRESS)
fi
])
dnl ---------------------------------------------------------------------------
dnl Determine compiler's "unsigned char" is default switch
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_CHECK_UNSIGNED_CHAR_COMPILER_SWITCH],
[
AC_C_CHAR_UNSIGNED()
AC_MSG_CHECKING(compiler switch for unsigned char)
#
# QNX4 Watcom compiler is unsigned char by default
#
if test "$on_qnx4" = yes -a "$ac_cv_prog_CC" = "cc" ; then
qnx4_char_unsigned="yes"
fi
if test "$ac_cv_c_char_unsigned" = yes -o "$qnx4_char_unsigned" = yes; then
MH_UNSIGNED_CHAR_SWITCH=""
msg="not needed - char is unsigned by default"
else
case "$ac_cv_prog_CC" in
gcc)
MH_UNSIGNED_CHAR_SWITCH="-funsigned-char"
msg="$MH_UNSIGNED_CHAR_SWITCH"
;;
xlC)
MH_UNSIGNED_CHAR_SWITCH="-qchars=unsigned"
msg="$MH_UNSIGNED_CHAR_SWITCH"
;;
*)
save_cflags="$CFLAGS"
mh_have_unsigned_char_switch=no
mh_unsigned_flags="-funsigned-char -xchar=unsigned"
for mh_flag in $mh_unsigned_flags; do
CFLAGS="$CFLAGS $mh_flag"
AC_TRY_COMPILE([#include <stdio.h>],
[char x;],
MH_UNSIGNED_CHAR_SWITCH="$mh_flag"; msg="$MH_UNSIGNED_CHAR_SWITCH"; mh_have_unsigned_char_switch=yes )
CFLAGS="$save_cflags"
if test "$mh_have_unsigned_char_switch" = yes; then
break
fi
done
if test "$mh_have_unsigned_char_switch" = no; then
msg="unknown - assuming unsigned by default but running execiser will confirm"
fi
;;
esac
fi
AC_MSG_RESULT("$msg")
AC_SUBST(MH_UNSIGNED_CHAR_SWITCH)
])
dnl ---------------------------------------------------------------------------
dnl Check if gcc compiler supports --version-script
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_CHECK_GCC_VERSION_SCRIPT],
[
AC_MSG_CHECKING(whether gcc understands --version-script)
AC_CACHE_VAL(
[mh_cv_version_script],
[
echo "TEST {" > conftest.def
echo "global:" >> conftest.def
echo "Test;" >> conftest.def
echo "};" >> conftest.def
mh_save_libs="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.def"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <stdio.h>
#include <stdlib.h>],
[exit(0);])],
[mh_cv_version_script=yes],
[mh_cv_version_script=no]
)
LDFLAGS="$mh_save_libs"
rm -f conftest.def
])
if test "$mh_cv_version_script" = yes; then
SHL_SCRIPT="-Wl,--version-script=${srcdir}/regina_elf.def"
else
SHL_SCRIPT=""
fi
AC_SUBST(SHL_SCRIPT)
AC_MSG_RESULT($mh_cv_version_script)
])
dnl ---------------------------------------------------------------------------
dnl Check if __sighandler_t is defined
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_CHECK__SIGHANDLER_T],
[
AC_MSG_CHECKING(whether __sighandler_t is defined)
AC_CACHE_VAL(
[mh_cv__sighandler_t],
[
AC_TRY_COMPILE(
[#include <sys/types.h>]
[#include <signal.h>],
[__sighandler_t fred],
[mh_cv__sighandler_t=yes],
[mh_cv__sighandler_t=no]
)
])
AC_MSG_RESULT($mh_cv__sighandler_t)
if test "$mh_cv__sighandler_t" = yes ; then
AC_DEFINE(HAVE__SIGHANDLER_T)
fi
])
dnl ---------------------------------------------------------------------------
dnl Work out if struct random_data is defined
dnl ---------------------------------------------------------------------------
AC_DEFUN(REG_STRUCT_RANDOM_DATA,
[AC_CACHE_CHECK([for struct random_data], mh_cv_struct_random_data,
[AC_TRY_COMPILE([#include <stdlib.h>
#include <stdio.h>],
[struct random_data s;],
mh_cv_struct_random_data=yes, mh_cv_struct_random_data=no)])
if test $mh_cv_struct_random_data = yes; then
AC_DEFINE(HAVE_RANDOM_DATA)
fi
])
dnl ---------------------------------------------------------------------------
dnl Work out if getgrgid_r returns an int and has 5 parameters
dnl ---------------------------------------------------------------------------
AC_DEFUN(REG_GETGRGID_R_INT_RETURN_5_PARAMS,
[AC_CACHE_CHECK([if getgrgid_r has 5 args and returns an int], mh_cv_getgrgid_r_int5,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <grp.h>
#include <pwd.h>],
[
struct group *ptr,result;
int rc;
gid_t gid;
char buf[100];
rc = getgrgid_r(gid,&result,buf,sizeof(buf),&ptr);
],
mh_cv_getgrgid_r_int5=yes, mh_cv_getgrgid_r_int5=no)])
if test $mh_cv_getgrgid_r_int5 = yes; then
AC_DEFINE(HAVE_GETGRGID_R_RETURNS_INT_5_PARAMS)
fi
])
dnl ---------------------------------------------------------------------------
dnl Work out if getgrgid_r returns an int and has 4 parameters
dnl ---------------------------------------------------------------------------
AC_DEFUN(REG_GETGRGID_R_INT_RETURN_4_PARAMS,
[AC_CACHE_CHECK([if getgrgid_r has 4 args and returns an int], mh_cv_getgrgid_r_int4,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <grp.h>
#include <pwd.h>],
[
struct group *ptr,result;
int rc;
gid_t gid;
char buf[100];
rc = getgrgid_r(gid,&result,buf,sizeof(buf));
],
mh_cv_getgrgid_r_int4=yes, mh_cv_getgrgid_r_int4=no)])
if test $mh_cv_getgrgid_r_int4 = yes; then
AC_DEFINE(HAVE_GETGRGID_R_RETURNS_INT_4_PARAMS)
fi
])
dnl ---------------------------------------------------------------------------
dnl Work out if getgrgid_r returns a struct group *
dnl ---------------------------------------------------------------------------
AC_DEFUN(REG_GETGRGID_R_STRUCT_RETURN,
[AC_CACHE_CHECK([if getgrgid_r returns a struct group *], mh_cv_getgrgid_r_struct,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <grp.h>
#include <pwd.h>],
[
struct group *ptr,result;
int rc;
gid_t gid;
char buf[100];
ptr = getgrgid_r(gid,&result,buf,sizeof(buf));
],
mh_cv_getgrgid_r_struct=yes, mh_cv_getgrgid_r_struct=no)])
if test $mh_cv_getgrgid_r_struct = yes; then
AC_DEFINE(HAVE_GETGRGID_R_RETURNS_STRUCT)
fi
])
dnl ---------------------------------------------------------------------------
dnl Work out if getpwuid_r returns an int
dnl ---------------------------------------------------------------------------
AC_DEFUN(REG_GETPWUID_R_INT_RETURN,
[AC_CACHE_CHECK([if getpwuid_r returns an int], mh_cv_getpwuid_r_int,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <grp.h>
#include <pwd.h>],
[
struct passwd *ptr,*result;
int rc;
uid_t uid;
char buf[100];
rc = getpwuid_r(uid,&result,buf,sizeof(buf),&ptr);
],
mh_cv_getpwuid_r_int=yes, mh_cv_getpwuid_r_int=no)])
if test $mh_cv_getpwuid_r_int = yes; then
AC_DEFINE(HAVE_GETPWUID_R_RETURNS_INT)
fi
])
dnl ---------------------------------------------------------------------------
dnl Work out if getpwuid_r returns a struct group *
dnl ---------------------------------------------------------------------------
AC_DEFUN(REG_GETPWUID_R_STRUCT_RETURN,
[AC_CACHE_CHECK([if getpwuid_r returns a struct passwd *], mh_cv_getpwuid_r_struct,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <grp.h>
#include <pwd.h>],
[
struct group *ptr,*result;
int rc;
uid_t uid;
char buf[100];
ptr = getpwuid_r(uid,&result,buf,sizeof(buf));
],
mh_cv_getpwuid_r_struct=yes, mh_cv_getpwuid_r_struct=no)])
if test $mh_cv_getpwuid_r_struct = yes; then
AC_DEFINE(HAVE_GETPWUID_R_RETURNS_STRUCT)
fi
])
dnl ---------------------------------------------------------------------------
dnl Work out if gethostbyname_r returns a struct and has 6 parameters
dnl ---------------------------------------------------------------------------
AC_DEFUN(REG_GETHOSTBYNAME_R_INT_RETURN_6_PARAMS,
[AC_CACHE_CHECK([if gethostbyname_r has 6 args and returns an int], mh_cv_gethostbyname_r_int6,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <netdb.h>],
[
int herr;
struct hostent *he,*rc;
char buf[8192];
struct hostent retval;
rc = gethostbyname_r("fred",&retval,buf,sizeof(buf),&he,&herr);
],
mh_cv_gethostbyname_r_int6=yes, mh_cv_gethostbyname_r_int6=no)])
if test $mh_cv_gethostbyname_r_int6 = yes; then
AC_DEFINE(HAVE_GETHOSTBYNAME_R_RETURNS_INT_6_PARAMS)
fi
])
dnl ---------------------------------------------------------------------------
dnl Work out if gethostbyname_r returns a struct and has 5 parameters
dnl ---------------------------------------------------------------------------
AC_DEFUN(REG_GETHOSTBYNAME_R_STRUCT_RETURN_5_PARAMS,
[AC_CACHE_CHECK([if gethostbyname_r has 5 args and returns a struct], mh_cv_gethostbyname_r_struct5,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <netdb.h>],
[
int herr;
struct hostent *he,*rc;
char buf[8192];
struct hostent retval;
rc = gethostbyname_r("fred",&retval,buf,sizeof(buf),&herr);
],
mh_cv_gethostbyname_r_struct5=yes, mh_cv_gethostbyname_r_struct5=no)])
if test $mh_cv_gethostbyname_r_struct5 = yes; then
AC_DEFINE(HAVE_GETHOSTBYNAME_R_RETURNS_STRUCT_5_PARAMS)
fi
])
dnl ---------------------------------------------------------------------------
dnl Work out if POSIX Threads are supported
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_CHECK_POSIX_THREADS],
[
MH_MT_LIBS=""
THREADING_COMPILE=""
THREADING_LINK=""
THREADSAFE_TARGET=""
MT_FILE="mt_notmt"
if test "$enable_posix_threads" = yes; then
dnl
dnl -lrt is needed by posix threads on Solaris
dnl
AC_CHECK_LIB(rt,main,mh_rt_lib_found=yes,mh_rt_lib_found=no)
AC_MSG_CHECKING(whether Posix Threads are supported)
tmpLIBS=$LIBS
save_cflags="$CFLAGS"
pthread_libs="pthreads pthread c_r c"
case "$target" in
*freebsd*)
CFLAGS="$CFLAGS -pthread"
;;
esac
for mh_lib in $pthread_libs; do
LIBS="$tmpLIBS -l${mh_lib}"
AC_TRY_LINK(
[#include <pthread.h>],
[pthread_create(NULL,NULL,NULL,NULL)],
[mh_has_pthreads=yes],
[mh_has_pthreads=no]
)
if test "$mh_has_pthreads" = yes; then
MH_MT_LIBS="-l${mh_lib}"
AC_REQUIRE([AC_CANONICAL_SYSTEM])
THREADING_COMPILE="-D_REENTRANT -DPOSIX -DREGINA_REENTRANT"
THREADING_LINK=""
THREADSAFE_TARGET="threader${binarybitprefix}${EXEEXT}"
MT_FILE="mt_posix"
case "$target" in
*solaris*)
if test "$ac_cv_prog_CC" = "gcc" -o "$ac_cv_prog_CC" = "g++" -o "$ac_cv_prog_CC" = "clang"; then
THREADING_COMPILE="-D_REENTRANT -DPOSIX -DREGINA_REENTRANT"
if test "$mh_rt_lib_found" = "yes"; then
THREADING_LINK="-lrt"
fi
else
THREADING_COMPILE="-mt -D_REENTRANT -DREENTRANT -D_PTHREAD_SEMANTICS -DREGINA_REENTRANT"
THREADING_LINK="-mt"
fi
;;
*hp-hpux1*)
if test "$ac_cv_prog_CC" = "gcc" -o "$ac_cv_prog_CC" = "g++" -o "$ac_cv_prog_CC" = "clang"; then
THREADING_COMPILE="-D_REENTRANT -DPOSIX -DREGINA_REENTRANT"
fi
if test "$mh_rt_lib_found" = "yes"; then
THREADING_LINK="-lrt"
fi
;;
*linux*)
;;
*freebsd*)
THREADING_COMPILE="-pthread -D_REENTRANT -DPOSIX -DREGINA_REENTRANT"
THREADING_LINK="-pthread"
;;
*cygwin*)
THREADING_COMPILE="-D_REENTRANT -DPOSIX -DREGINA_REENTRANT"
THREADING_LINK=""
;;
*)
if test "$ac_cv_prog_CC" = "gcc" -o "$ac_cv_prog_CC" = "g++" -o "$ac_cv_prog_CC" = "clang"; then
THREADING_COMPILE="-D_REENTRANT -DPOSIX -DREGINA_REENTRANT"
fi
;;
esac
break
fi
done
LIBS="$tmpLIBS"
CFLAGS="$save_cflags"
AC_MSG_RESULT($mh_has_pthreads)
fi
AC_SUBST(THREADING_COMPILE)
AC_SUBST(THREADING_LINK)
AC_SUBST(THREADSAFE_TARGET)
AC_SUBST(MH_MT_LIBS)
AC_SUBST(MT_FILE)
])
dnl ---------------------------------------------------------------------------
dnl Work out how to create a dynamically loaded module
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_HOWTO_DYN_LINK],
[
mh_compile='${CC-cc} -c $DYN_COMP conftest.$ac_ext 1>&AC_FD_CC'
cat > conftest.$ac_ext <<EOF
dnl [#]line __oline__ "[$]0"
[#]line __oline__ "configure"
int foo()
{
return(0);
}
EOF
if AC_TRY_EVAL(mh_compile) && test -s conftest.o; then
mh_dyn_link='ld -shared -o conftest.rxlib conftest.o -lc 1>&AC_FD_CC'
if AC_TRY_EVAL(mh_dyn_link) && test -s conftest.rxlib; then
LD_RXLIB_A1="ld -shared -o \$(@)"
LD_RXLIB_A2="ld -shared -o \$(@)"
LD_RXLIB_UTILA="ld -shared -o \$(@)"
LD_RXLIB_B1="-L. -l${SHLFILE}"
LD_RXLIB_B2="-L. -l${SHLFILE}"
LD_RXLIB_UTILB="-L. -l${SHLFILE}"
SHLPRE="lib"
SHLPST=".so"
else
mh_dyn_link='ld -G -o conftest.rxlib conftest.o 1>&AC_FD_CC'
if AC_TRY_EVAL(mh_dyn_link) && test -s conftest.rxlib; then
LD_RXLIB_A1="ld -G -o \$(@)"
LD_RXLIB_A2="ld -G -o \$(@)"
LD_RXLIB_UTILA="ld -G -o \$(@)"
LD_RXLIB_B1="-L. -l${SHLFILE}"
LD_RXLIB_B2="-L. -l${SHLFILE}"
LD_RXLIB_UTILB="-L. -l${SHLFILE}"
SHLPRE="lib"
SHLPST=".so"
else
mh_dyn_link='${CC} -shared -o conftest.rxlib conftest.o 1>&AC_FD_CC'
if AC_TRY_EVAL(mh_dyn_link) && test -s conftest.rxlib; then
LD_RXLIB_A1="${CC} -shared -o \$(@)"
LD_RXLIB_A2="${CC} -shared -o \$(@)"
LD_RXLIB_UTILA="${CC} -shared -o \$(@)"
LD_RXLIB_B1="-L. -l${SHLFILE}"
LD_RXLIB_B2="-L. -l${SHLFILE}"
LD_RXLIB_UTILB="-L. -l${SHLFILE}"
SHLPRE="lib"
SHLPST=".so"
else
LD_RXLIB_A1=""
LD_RXLIB_A2=""
LD_RXLIB_UTILA=""
LD_RXLIB_B1=""
LD_RXLIB_B2=""
LD_RXLIB_UTILB=""
SHLPRE=""
SHLPST=""
fi
fi
fi
fi
rm -f conftest*
])dnl
dnl ---------------------------------------------------------------------------
dnl Check for presence of various libraries
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_CHECK_CRYPT],
[
mh_save_libs="$LIBS"
if test "$on_qnx4" = no; then
AC_CHECK_LIB(crypt,main,mh_crypt_found=yes,mh_crypt_found=no)
if test "$mh_crypt_found" = yes; then
LIBS="${LIBS} -lcrypt"
fi
fi
AC_MSG_CHECKING(for crypt function)
AC_CACHE_VAL(
[mh_cv_func_crypt],
[
AC_TRY_LINK(
[#include <unistd.h>],
[crypt("fred","aa")],
[mh_cv_func_crypt=yes],
[mh_cv_func_crypt=no]
)
])dnl
AC_MSG_RESULT($mh_cv_func_crypt)
STATIC_BINARY_LIBS=""
if test "$mh_cv_func_crypt" = yes ; then
AC_DEFINE(HAVE_CRYPT)
if test "$mh_crypt_found" = yes; then
MH_EXTRA_LIBS="${MH_EXTRA_LIBS} -lcrypt"
STATIC_BINARY_LIBS="-lcrypt"
fi
fi
LIBS="$mh_save_libs"
AC_SUBST(STATIC_BINARY_LIBS)
])dnl
dnl ---------------------------------------------------------------------------
dnl Determines the file extension for shared libraries - not used?
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_SHLPST],
[
AC_MSG_CHECKING(shared library/external function extensions)
SHLPST=".so"
MODPST=".so"
AC_REQUIRE([AC_CANONICAL_SYSTEM])
case "$target" in
*hp-hpux*)
SHLPST=".sl"
MODPST=".sl"
;;
*ibm-aix5*)
SHLPST=".a"
MODPST=".a"
;;
*ibm-aix*)
SHLPST=".a"
MODPST=".a"
;;
*nto-qnx*)
;;
*qnx*)
SHLPST=".junk"
MODPST=""
;;
*cygwin*)
SHLPST=".dll"
MODPST=".dll"
;;
*skyos*)
SHLPST=".dll"
MODPST=".dll"
;;
*darwin*)
SHLPST=".dylib"
MODPST=".dylib"
;;
esac
AC_MSG_RESULT($SHLPST/$MODPST)
])
dnl ---------------------------------------------------------------------------
dnl Sets SHLPST and MODPST
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_SET_SHLPST],
[
AC_SUBST(SHLPST)
AC_SUBST(MODPST)
])
dnl ---------------------------------------------------------------------------
dnl Determine how to build shared libraries etc..
dnl ---------------------------------------------------------------------------
AC_DEFUN([REG_SHARED_LIBRARY],
[
AC_REQUIRE([REG_SET_SHLPST])
dnl
dnl If compiler is gcc, then flags should be the same for all platforms
dnl (just guessing on this)
dnl
SHLPRE="lib"
LIBFILE="regina"
SHLFILE="regina"
OSAVE=".o.save"
OBJ="o"
LIBPST=".a"
LIBPRE="lib"
LIBEXE="ar"
GETOPT=""
OBJECTS='$('OFILES')'
STATIC_LDFLAGS=""
AIX_DYN="no"
BEOS_DYN="no"
AC_REQUIRE([AC_CANONICAL_SYSTEM])
case "$target" in
*hp-hpux9*)
SYS_DEFS="-D_HPUX_SOURCE +e" # Extended ANSI mode for c89
AC_DEFINE(SELECT_IN_TIME_H)
;;
*hp-hpux*)
if test "$ac_cv_prog_CC" = "gcc" -o "$ac_cv_prog_CC" = "g++" -o "$ac_cv_prog_CC" = "clang"; then
SYS_DEFS="-D_HPUX_SOURCE"
else
SYS_DEFS="-D_HPUX_SOURCE +e" # Extended ANSI mode for c89
fi
;;
*ibm-aix3*|*ibm-aix4.1*)
SYS_DEFS="-D_ALL_SOURCE -DAIX"
;;
*ibm-aix*)
SYS_DEFS="-D_ALL_SOURCE -DAIX"
DYN_COMP="-DDYNAMIC"
;;
*dec-osf*)
if test "$ac_cv_prog_CC" = "gcc" -o "$ac_cv_prog_CC" = "g++" -o "$ac_cv_prog_CC" = "clang"; then
SYS_DEFS="-D_POSIX_SOURCE -D_XOPEN_SOURCE"
else
SYS_DEFS="-D_POSIX_SOURCE -D_XOPEN_SOURCE -Olimit 800"
fi
;;
sparc*sunos*)
SYS_DEFS="-DSUNOS -DSUNOS_STRTOD_BUG"
;;
*nto-qnx*)
;;
*skyos*)
DYN_COMP="-DDYNAMIC"
;;
*qnx*)
LIBPRE=""
LIBPST=".lib"
SHLPRE=""
SHLPST=".lib"
SHLFILE="rexx"
;;
*cygwin*)
LIBPRE="lib"
SHLPRE="cyg"
DYN_COMP="-DDYNAMIC"
LIBPST=".a"
;;
*darwin*)
DYN_COMP="-fno-common"
;;
esac
dnl
dnl set variables for compiling if we don't already have it
dnl
if test "$DYN_COMP" = ""; then
AC_MSG_CHECKING(compiler flags for a dynamic object)
cat > conftest.$ac_ext <<EOF
dnl [#]line __oline__ "[$]0"
[#]line __oline__ "configure"
int a=0
EOF
DYN_COMP=""
mh_cv_stop=no
save_cflags="$CFLAGS"
mh_cv_flags="-fPIC -KPIC +Z"
for a in $mh_cv_flags; do
CFLAGS="-c $a"
mh_compile='${CC-cc} -c $CFLAGS conftest.$ac_ext > conftest.tmp 2>&1'
if AC_TRY_EVAL(mh_compile); then
DYN_COMP=""
else
slash="\\"
mh_dyncomp="`egrep -c $slash$a conftest.tmp`"
if test "$mh_dyncomp" = "0"; then
DYN_COMP="$a -DDYNAMIC"
AC_MSG_RESULT($a)
break
else
DYN_COMP=""
fi
fi
done
if test "$DYN_COMP" = ""; then
AC_MSG_RESULT(none of $mh_cv_flags supported)
fi
CFLAGS="$save_cflags"
rm -f conftest.*
fi
dnl
dnl set variables for linking
dnl
SHL_LD=""
TEST1EXPORTS=""
TEST2EXPORTS=""
TEST1EXP=""
TEST2EXP=""
REGINAEXP=""
REGUTILEXP=""
# If the build OS can handle version numbers in the shared library name,
# then set SHL_BASE="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
SHL_BASE="${SHLPRE}${SHLFILE}${SHLPST}"
# OTHER_INSTALLS is set to install a non-version numbered shared library
# by default; ie. no .\$(ABI) suffix. If the regina executable is not built,
# then there is no shared library. Set OTHER_INSTALLS="installabilib" if you
# are building a version numbered shared library.
#RXSTACK_INSTALL="installrxstack"
RXSTACK_INSTALL=""
OTHER_INSTALLS="installlib"
BASE_INSTALL="installbase"
BASE_BINARY="binarybase"
USE_ABI="no"
BUNDLE=""
EXTRATARGET=""
case "$target" in
*hp-hpux*)
SHLPRE="lib"
if test "$ac_cv_prog_CC" = "gcc"; then
LD_RXLIB_A1="${CC} -fPIC -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="${CC} -fPIC -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="${CC} -fPIC -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_B1="-L. -l${SHLFILE}"
LD_RXLIB_B2="-L. -l${SHLFILE}"
LD_RXLIB_UTILB="-L. -l${SHLFILE}"
SHL_LD="${CC} -o ${SHLPRE}${SHLFILE}${SHLPST} -fPIC -shared ${LDFLAGS} \$(SHOFILES)"
else
EEXTRA="-Wl,-E"
LD_RXLIB_A1="ld -b -q -n -o \$(@)"
LD_RXLIB_A2="ld -b -q -n -o \$(@)"
LD_RXLIB_UTILA="ld -b -q -n -o \$(@)"
LD_RXLIB_B1=""
LD_RXLIB_B2=""
LD_RXLIB_UTILB=""
DYNAMIC_LDFLAGS="-Wl,+s"
SHL_LD="ld -b -o ${SHLPRE}${SHLFILE}${SHLPST} "'$('SHOFILES')'
fi
;;
*ibm-aix3*)
STATIC_LDFLAGS="-bnso -bI:/lib/syscalls.exp"
LD_RXLIB_A1="ld -bnoentry -bM:SRE -bT:512 -bH:512 -bI:regina.exp -o \$(@)"
LD_RXLIB_A2="ld -bnoentry -bM:SRE -bT:512 -bH:512 -bI:regina.exp -o \$(@)"
LD_RXLIB_UTILA="ld -bnoentry -bM:SRE -bT:512 -bH:512 -bI:regina.exp -o \$(@)"
LD_RXLIB_B1="${SHLPRE}${SHLFILE}${SHLPST} -lc"
LD_RXLIB_B2="${SHLPRE}${SHLFILE}${SHLPST} -lc"
LD_RXLIB_UTILB="${SHLPRE}${SHLFILE}${SHLPST} -lc"
SHLPRE="lib"
TEST1EXPORTS="-bE:test1.exp"
TEST2EXPORTS="-bE:test2.exp"
TEST1EXP="test1.exp"
TEST2EXP="test2.exp"
REGINAEXP="regina.exp"
REGUTILEXP="regutil.exp"
if test "$ac_cv_header_dlfcn_h" = "yes" -o "$HAVE_DLFCN_H" = "1"; then
AIX_DYN="yes"
DYN_COMP="-DDYNAMIC"
SHL_LD="ld -o ${SHLPRE}${SHLFILE}${SHLPST} -bnoentry -bE:regina.exp -bM:SRE -bT:512 -bH:512 "'$('SHOFILES')'" -lc"
else
SHL_LD=" "'$('LIBEXE')'" "'$('LIBFLAGS')'" "'$('SHOFILES')'
DYN_COMP=""
fi
;;
*ibm-aix*)
# STATIC_LDFLAGS="-bnso -bI:/lib/syscalls.exp"
SHLPRE="lib"
if test "$ac_cv_prog_CC" = "gcc"; then
LD_RXLIB_A1="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_B1="-L. -l${SHLFILE}"
LD_RXLIB_B2="-L. -l${SHLFILE}"
LD_RXLIB_UTILB="-L. -l${SHLFILE}"
else
LD_RXLIB_A1="ld -bnoentry -bM:SRE ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="ld -bnoentry -bM:SRE ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="ld -bnoentry -bM:SRE ${LDFLAGS} -o \$(@)"
LD_RXLIB_B1="${SHLPRE}${SHLFILE}${SHLPST} -lc"
LD_RXLIB_B2="${SHLPRE}${SHLFILE}${SHLPST} -lc"
LD_RXLIB_UTILB="${SHLPRE}${SHLFILE}${SHLPST} -lc"
TEST1EXPORTS="-bE:test1.exp"
TEST2EXPORTS="-bE:test2.exp"
TEST1EXP="test1.exp"
TEST2EXP="test2.exp"
REGUTILEXPORTS="-bE:regutil.exp"
REGUTILEXP="regutil.exp"
fi
REGINAEXP="regina.exp"
if test "$ac_cv_header_dlfcn_h" = "yes" -o "$HAVE_DLFCN_H" = "1"; then
AIX_DYN="yes"
DYN_COMP="-DDYNAMIC"
if test "$ac_cv_prog_CC" = "gcc"; then
SHL_LD="${CC} -shared -o ${SHLPRE}${SHLFILE}${SHLPST} -Wl,-bnoentry -Wl,-bE:regina.exp -Wl,-bM:SRE ${LDFLAGS} \$(SHOFILES) -lc \$(SHLIBS) \$(MH_MT_LIBS)"
else
SHL_LD="ld -o ${SHLPRE}${SHLFILE}${SHLPST} -bnoentry -bE:regina.exp -bM:SRE ${LDFLAGS} \$(SHOFILES) -lc \$(SHLIBS) \$(MH_MT_LIBS)"
fi
else
SHL_LD=" "'$('LIBEXE')'" "'$('LIBFLAGS')'" "'$('SHOFILES')'
DYN_COMP=""
fi
;;
*dec-osf*)
LD_RXLIB_A1="ld -shared -o \$(@)"
LD_RXLIB_A2="ld -shared -o \$(@)"
LD_RXLIB_UTILA="ld -shared -o \$(@)"
LD_RXLIB_B1="-lc -L. -l${SHLFILE}"
LD_RXLIB_B2="-lc -L. -l${SHLFILE}"
LD_RXLIB_UTILB="-lc -L. -l${SHLFILE}"
SHLPRE="lib"
SHL_LD="ld -o ${SHLPRE}${SHLFILE}${SHLPST} -shared -no_archive "'$('SHOFILES')'" -lc"
;;
*esix*)
LD_RXLIB_A1="ld -G -o \$(@)"
LD_RXLIB_A2="ld -G -o \$(@)"
LD_RXLIB_UTILA="ld -G -o \$(@)"
LD_RXLIB_B1=""
LD_RXLIB_B2=""
LD_RXLIB_UTILB=""
DYNAMIC_LDFLAGS=""
SHLPRE="lib"
SHL_LD="ld -G -o ${SHLPRE}${SHLFILE}${SHLPST} "'$('SHOFILES')'
;;
*dgux*)
LD_RXLIB_A1="ld -G -o \$(@)"
LD_RXLIB_A2="ld -G -o \$(@)"
LD_RXLIB_UTILA="ld -G -o \$(@)"
LD_RXLIB_B1=""
LD_RXLIB_B2=""
LD_RXLIB_UTILB=""
DYNAMIC_LDFLAGS=""
SHLPRE="lib"
SHL_LD="ld -G -o ${SHLPRE}${SHLFILE}${SHLPST} "'$('SHOFILES')'
;;
*pc-sco*)
LD_RXLIB_A1="ld -dy -G -o \$(@)"
LD_RXLIB_A2="ld -dy -G -o \$(@)"
LD_RXLIB_UTILA="ld -dy -G -o \$(@)"
LD_RXLIB_B1=""
LD_RXLIB_B2=""
LD_RXLIB_UTILB=""
DYNAMIC_LDFLAGS=""
SHLPRE="lib"
SHL_LD="ld -dy -G -o ${SHLPRE}${SHLFILE}${SHLPST} "'$('SHOFILES')'
;;
*solaris*)
if test "$ac_cv_prog_CC" = "gcc" -o "$ac_cv_prog_CC" = "g++" -o "$ac_cv_prog_CC" = "clang"; then
LD_RXLIB_A1="$ac_cv_prog_CC -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="$ac_cv_prog_CC -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="$ac_cv_prog_CC -shared ${LDFLAGS} -o \$(@)"
SHL_LD="$ac_cv_prog_CC -shared ${LDFLAGS} -o ${SHLPRE}${SHLFILE}${SHLPST} "'$('SHOFILES')'
else
LD_RXLIB_A1="ld -G ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="ld -G ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="ld -G ${LDFLAGS} -o \$(@)"
SHL_LD="ld -G ${LDFLAGS} -o ${SHLPRE}${SHLFILE}${SHLPST} "'$('SHOFILES')'
fi
LD_RXLIB_B1=""
LD_RXLIB_B2=""
LD_RXLIB_UTILB=""
DYNAMIC_LDFLAGS=""
SHLPRE="lib"
;;
sparc*sunos*)
LD_RXLIB_A1="ld -o \$(@)"
LD_RXLIB_A2="ld -o \$(@)"
LD_RXLIB_UTILA="ld -o \$(@)"
LD_RXLIB_B1=""
LD_RXLIB_B2=""
LD_RXLIB_UTILB=""
SHLPRE="lib"
SHL_LD="ld -assert pure-text -o ${SHLPRE}${SHLFILE}${SHLPST} "'$('SHOFILES')'
;;
*-freebsd* | *openbsd*)
if test "$ac_cv_prog_CC" = "gcc" -o "$ac_cv_prog_CC" = "g++" -o "$ac_cv_prog_CC" = "clang"; then
LD_RXLIB_A1="$ac_cv_prog_CC -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="$ac_cv_prog_CC -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="$ac_cv_prog_CC -shared ${LDFLAGS} -o \$(@)"
SHL_LD="$ac_cv_prog_CC -shared ${LDFLAGS} -o ${SHLPRE}${SHLFILE}${SHLPST} "'$('SHOFILES')'
else
LD_RXLIB_A1="ld -Bdynamic -Bshareable ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="ld -Bdynamic -Bshareable ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="ld -Bdynamic -Bshareable ${LDFLAGS} -o \$(@)"
LD_RXLIB_B1="-lc -L. -l${SHLFILE}"
LD_RXLIB_B2="-lc -L. -l${SHLFILE}"
LD_RXLIB_UTILB="-lc -L. -l${SHLFILE}"
SHL_LD="ld -Bdynamic -Bshareable ${LDFLAGS} -o ${SHLPRE}${SHLFILE}${SHLPST} "'$('SHOFILES')'
fi
STATIC_LDFLAGS="-static"
SHLPRE="lib"
;;
*linux*|*kfreebsd*-gnu*)
LD_RXLIB_A1="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="${CC} -shared ${LDFLAGS} -o \$(@)"
# LD_RXLIB_B1="-L. -l${SHLFILE}"
# LD_RXLIB_B2="-L. -l${SHLFILE}"
LD_RXLIB_B1="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
LD_RXLIB_B2="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
LD_RXLIB_UTILB="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
SHLPRE="lib"
SHL_LD="${CC} -o ${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI) -shared ${LDFLAGS} ${SHL_SCRIPT} -Wl,-soname=${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI_MAJOR) \$(SHOFILES)"
SHL_BASE="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
OTHER_INSTALLS="installabilib"
USE_ABI="yes"
;;
powerpc-ibm-os400)
LD_RXLIB_A1="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="${CC} -shared ${LDFLAGS} -o \$(@)"
# LD_RXLIB_B1="-L. -l${SHLFILE}"
# LD_RXLIB_B2="-L. -l${SHLFILE}"
LD_RXLIB_B1="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
LD_RXLIB_B2="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
LD_RXLIB_UTILB="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
SHLPRE="lib"
SHL_LD="${CC} -o ${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI) -shared ${LDFLAGS} ${SHL_SCRIPT} \$(SHOFILES)"
SHL_BASE="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
OTHER_INSTALLS="installabilib"
USE_ABI="yes"
;;
*gnu*)
LD_RXLIB_A1="${CC} -shared -o \$(@)"
LD_RXLIB_A2="${CC} -shared -o \$(@)"
LD_RXLIB_UTILA="${CC} -shared -o \$(@)"
LD_RXLIB_B1="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
LD_RXLIB_B2="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
LD_RXLIB_UTILB="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
SHLPRE="lib"
SHL_LD="${CC} -o ${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI) -shared ${SHL_SCRIPT} -Wl,-soname=${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI_MAJOR) \$(SHOFILES) -lc"
SHL_BASE="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
OTHER_INSTALLS="installabilib"
USE_ABI="yes"
;;
*atheos* | *syllable*)
LD_RXLIB_A1="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_A2="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_UTILA="${CC} -shared ${LDFLAGS} -o \$(@)"
LD_RXLIB_B1="-L. -l${SHLFILE} "'$('BOTHLIBS')'
LD_RXLIB_B2="-L. -l${SHLFILE} "'$('BOTHLIBS')'