642 lines
17 KiB
Plaintext
642 lines
17 KiB
Plaintext
dnl Process this file with autoconf 2.0 or later to make a configure script.
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AC_REVISION($Revision$)
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AC_PREREQ(2.0)
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AC_INIT(Include/object.h)
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AC_CONFIG_HEADER(config.h)
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# Set VERSION so we only need to edit in one place (i.e., here)
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AC_SUBST(VERSION)
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VERSION=1.5
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# NEXTSTEP stuff
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if test -f /usr/lib/NextStep/software_version; then
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AC_MSG_CHECKING(for --with-next-archs)
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AC_ARG_WITH(next-archs,
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[--with-next-archs='arch1 arch2 ..' build MAB binary], [
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if test -n "$withval"; then
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ac_arch_flags=`/usr/lib/arch_tool -archify_list $withval`
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# GCC does not currently support multi archs on the NeXT
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with_gcc=no
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fi
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AC_MSG_RESULT($with_next_archs)
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], [AC_MSG_RESULT(none: using `arch`)])
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if test -z "$MACHDEP"
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then
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set X `hostinfo | grep 'NeXT Mach.*:' | \
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sed -e 's/://' -e 's/\./_/'` && \
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ac_sys_system=next && ac_sys_release=$4
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MACHDEP="$ac_sys_system$ac_sys_release"
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fi
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fi
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# Set name for machine-dependent library files
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AC_SUBST(MACHDEP)
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AC_MSG_CHECKING(MACHDEP)
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if test -z "$MACHDEP"
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then
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ac_sys_system=`uname -s`
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if test "$ac_sys_system" = "AIX" ; then
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ac_sys_release=`uname -v`
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else
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ac_sys_release=`uname -r`
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fi
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ac_md_system=`echo $ac_sys_system |
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tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
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ac_md_release=`echo $ac_sys_release |
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tr -d '[/ ]' | sed 's/\..*//'`
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MACHDEP="$ac_md_system$ac_md_release"
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case $MACHDEP in
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'') MACHDEP="unknown";;
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esac
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fi
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#
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# SGI compilers allow the specification of the both the ABI and the
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# ISA on the command line. Depending on the values of these switches,
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# different and often incompatable code will be generated.
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#
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# The SGI_ABI variable can be used to modify the CC and LDFLAGS and
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# thus supply support for various ABI/ISA combinations. The MACHDEP
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# variable is also adjusted.
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#
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AC_SUBST(SGI_ABI)
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if test ! -z "$SGI_ABI"
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then
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CC="cc $SGI_ABI"
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LDFLAGS="$SGI_ABI $LDFLAGS"
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MACHDEP=`echo "${MACHDEP}${SGI_ABI}" | sed 's/ *//g'`
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fi
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AC_MSG_RESULT($MACHDEP)
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#
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# CCC is the command that compiles C++ programs
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#
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# Not all make programs have this predefined.
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#
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AC_SUBST(SET_CCC)
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AC_MSG_CHECKING(CCC)
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if test -z "$CCC"
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then
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case $ac_sys_system in
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IRIX*) SET_CCC="CCC= CC ${SGI_ABI}";;
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*) SET_CCC=""
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esac
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else
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SET_CCC="CCC= ${CCC}"
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fi
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AC_MSG_RESULT($SET_CCC)
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# checks for alternative programs
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AC_MSG_CHECKING(for --without-gcc)
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AC_ARG_WITH(gcc, [--without-gcc never use gcc], [
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case $withval in
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no) CC=cc
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without_gcc=yes;;
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yes) CC=gcc
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without_gcc=no;;
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*) CC=$withval
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without_gcc=$withval;;
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esac], [
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case $ac_sys_system in
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OSF1) CC=cc
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without_gcc=;;
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*) without_gcc=no;;
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esac])
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AC_MSG_RESULT($without_gcc)
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# If the user switches compilers, we can't believe the cache
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if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
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then
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AC_ERROR(cached CC is different -- throw away $cache_file
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(it is also a good idea to do 'make clean' before compiling))
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fi
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AC_PROG_CC
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case $ac_sys_system in
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hp*|HP*)
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case $CC in
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cc|*/cc) CC="$CC -Aa -D_HPUX_SOURCE";;
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esac;;
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esac
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# LINKCC is the command that links the python executable -- default is $(CC).
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# This is altered for AIX in order to build the export list before linking.
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AC_SUBST(LINKCC)
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AC_MSG_CHECKING(LINKCC)
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if test -z "$LINKCC"
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then
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case $ac_sys_system in
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AIX*)
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LINKCC="\$(srcdir)/makexp_aix python.exp \"\" \$(LIBRARY); \$(PURIFY) \$(CC)";;
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*) LINKCC="\$(PURIFY) \$(CC)";;
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esac
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fi
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AC_MSG_RESULT($LINKCC)
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AC_PROG_RANLIB
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AC_SUBST(AR)
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AC_CHECK_PROGS(AR, ar aal, ar)
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AC_SUBST(INSTALL)
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AC_SUBST(INSTALL_PROGRAM)
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AC_SUBST(INSTALL_DATA)
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# Install just never works :-(
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if test -z "$INSTALL"
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then
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INSTALL=cp
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INSTALL_PROGRAM=cp
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INSTALL_DATA=cp
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else
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INSTALL_PROGRAM="$INSTALL"
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INSTALL_DATA="$INSTALL -m 644"
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fi
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# Optimizer/debugger flags passed between Makefiles
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AC_SUBST(OPT)
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if test -z "$OPT"
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then
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case $GCC in
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yes)
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case $ac_cv_prog_cc_g in
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yes) OPT="-g -O2";;
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*) OPT="-O2";;
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esac
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;;
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*) OPT="-O";;
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esac
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fi
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if test "$ac_arch_flags"
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then
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OPT="$OPT $ac_arch_flags"
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fi
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# checks for UNIX variants that set C preprocessor variables
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AC_AIX
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AC_MINIX
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AC_MSG_CHECKING(whether $CC accepts -Olimit 1500)
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AC_CACHE_VAL(ac_cv_olimit_ok,
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[ac_save_cc="$CC"
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CC="$CC -Olimit 1500"
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AC_TRY_RUN([int main() { return 0; }],
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ac_cv_olimit_ok=yes,
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ac_cv_olimit_ok=no)
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CC="$ac_save_cc"])
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AC_MSG_RESULT($ac_cv_olimit_ok)
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if test $ac_cv_olimit_ok = yes; then
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OPT="$OPT -Olimit 1500"
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fi
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AC_MSG_CHECKING(whether $CC accepts -OPT:Olimit=0)
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AC_CACHE_VAL(ac_cv_opt_olimit_ok,
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[ac_save_cc="$CC"
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CC="$CC -OPT:Olimit=0"
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AC_TRY_RUN([int main() { return 0; }],
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ac_cv_opt_olimit_ok=yes,
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ac_cv_opt_olimit_ok=no)
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CC="$ac_save_cc"])
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AC_MSG_RESULT($ac_cv_opt_olimit_ok)
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if test $ac_cv_opt_olimit_ok = yes; then
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OPT="$OPT -OPT:Olimit=0"
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fi
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# check for ANSI or K&R ("traditional") preprocessor
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AC_MSG_CHECKING(for C preprocessor type)
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AC_TRY_COMPILE([
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#define spam(name, doc) {#name, &name, #name "() -- " doc}
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int foo;
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struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
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], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
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AC_MSG_RESULT($cpp_type)
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# checks for header files
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AC_HEADER_STDC
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AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h locale.h ncurses.h pthread.h \
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signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
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sys/audioio.h sys/file.h sys/lock.h \
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sys/param.h sys/select.h sys/time.h sys/times.h \
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sys/un.h sys/utsname.h sys/wait.h)
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AC_HEADER_DIRENT
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# checks for typedefs
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was_it_defined=no
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AC_MSG_CHECKING(for clock_t in time.h)
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AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
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AC_MSG_RESULT($was_it_defined)
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# Add some code to confdefs.h so that the test for off_t works on SCO
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cat >> confdefs.h <<\EOF
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#if defined(SCO_DS)
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#undef _OFF_T
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#endif
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EOF
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AC_TYPE_MODE_T
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AC_TYPE_OFF_T
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AC_TYPE_PID_T
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AC_TYPE_SIGNAL
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AC_TYPE_SIZE_T
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AC_TYPE_UID_T
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AC_CHECK_SIZEOF(int)
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AC_CHECK_SIZEOF(long)
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# Set info about shared libraries.
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AC_SUBST(SO)
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AC_SUBST(LDSHARED)
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AC_SUBST(CCSHARED)
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AC_SUBST(LINKFORSHARED)
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# SO is the extension of shared libraries `(including the dot!)
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# -- usually .so, .sl on HP-UX
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AC_MSG_CHECKING(SO)
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if test -z "$SO"
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then
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case $ac_sys_system in
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hp*|HP*) SO=.sl;;
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*) SO=.so;;
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esac
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fi
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AC_MSG_RESULT($SO)
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# LDSHARED is the ld *command* used to create shared library
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# -- "ld" on SunOS 4.x.x, "ld -G" on SunOS 5.x, "ld -shared" on IRIX 5
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AC_MSG_CHECKING(LDSHARED)
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if test -z "$LDSHARED"
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then
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case $ac_sys_system/$ac_sys_release in
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AIX*) LDSHARED="\$(srcdir)/ld_so_aix \$(CC)";;
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IRIX/5*) LDSHARED="ld -shared";;
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IRIX*/6*) LDSHARED="ld ${SGI_ABI} -shared -all";;
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SunOS/4*) LDSHARED="ld";;
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SunOS/5*) LDSHARED="ld -G";;
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hp*|HP*) LDSHARED="ld -b";;
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OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
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DYNIX/ptx*) LDSHARED="ld -G";;
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next/*) LDSHARED='$(CC) $(CFLAGS) -nostdlib -r';;
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Linux*) LDSHARED="gcc -shared";;
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FreeBSD*) LDSHARED="ld -Bshareable";;
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SCO_SV*) LDSHARED="cc -G -KPIC -Ki486 -belf -Wl,-Bexport";;
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*) LDSHARED="ld";;
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esac
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fi
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AC_MSG_RESULT($LDSHARED)
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# CCSHARED are the C *flags* used to create objects to go into a shared
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# library -- this is only needed for a few systems
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AC_MSG_CHECKING(CCSHARED)
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if test -z "$CCSHARED"
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then
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case $ac_sys_system/$ac_sys_release in
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hp*|HP*) if test "$GCC" = yes;
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then CCSHARED="-fpic";
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else CCSHARED="+z";
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fi;;
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Linux*) CCSHARED="-fpic";;
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FreeBSD*) CCSHARED="-fpic";;
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SCO_SV*) CCSHARED="-KPIC -dy -Bdynamic";;
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IRIX*/6*) CCSHARED="-all";;
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esac
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fi
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AC_MSG_RESULT($CCSHARED)
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# LINKFORSHARED are the flags passed to the $(CC) command that links
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# the python executable -- this is only needed for a few systems
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AC_MSG_CHECKING(LINKFORSHARED)
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if test -z "$LINKFORSHARED"
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then
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case $ac_sys_system/$ac_sys_release in
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AIX*) LINKFORSHARED='-Wl,-bE:$(srcdir)/python.exp -lld';;
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hp*|HP*)
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LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";;
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Linux*) LINKFORSHARED="-rdynamic";;
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next/*) LINKFORSHARED="-u libsys_s";;
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SCO_SV*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";;
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IRIX*/6*) LINKFORSHARED="-all";;
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esac
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fi
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AC_MSG_RESULT($LINKFORSHARED)
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# checks for libraries
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AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
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AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
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AC_CHECK_LIB(sun, getpwnam) # NIS (== YP) interface for IRIX 4
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# The following three (nsl,inet,socket) are needed on Sequent;
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# the order of checking must be this. Most SVR4 platforms will
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# need -lsocket and -lnsl. However on SGI IRIX 5, these exist but
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# broken. I see no elegant solution (probably CHECK_LIB should be
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# fixed to only add the library if the given entry point is not
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# satisfied without it).
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if test "$ac_sys_system" != IRIX
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then
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AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
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AC_CHECK_LIB(inet, gethostbyname, [LIBS="-linet $LIBS"], [], -lnsl) # Sequent
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AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
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fi
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AC_MSG_CHECKING(for --with-libs)
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AC_ARG_WITH(libs, [--with-libs='lib1 ...' link against additional libs], [
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AC_MSG_RESULT($withval)
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LIBS="$withval $LIBS"
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], AC_MSG_RESULT(no))
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AC_MSG_CHECKING(for --with(out)-readline)
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AC_ARG_WITH(readline,
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[--with(out)-readline obsolete, edit Modules/Setup instead],
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[AC_MSG_RESULT($withval)
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AC_ERROR(--with(out)-readline is obsolete, edit Modules/Setup instead)],
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[AC_MSG_RESULT(not specified.)])
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AC_MSG_CHECKING(for --with-dec-threads)
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AC_SUBST(LDLAST)
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AC_ARG_WITH(dec-threads,
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[--with-dec-threads use DEC Alpha/OSF1 thread-safe libraries],
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[AC_MSG_RESULT($withval)
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LDLAST=-threads
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if test "${with_thread+set}" != set; then
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with_thread="$withval";
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fi],
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AC_MSG_RESULT(no))
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AC_MSG_CHECKING(for --with-threads)
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AC_ARG_WITH(threads, [--with-threads alias for --with-thread],
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[AC_MSG_RESULT($withval)
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if test "${with_thread+set}" != set; then
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with_thread="$withval";
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fi],
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AC_MSG_RESULT(no))
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AC_MSG_CHECKING(for --with-thread)
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AC_ARG_WITH(thread, [--with-thread[=DIRECTORY] make interpreter thread-safe], [
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AC_MSG_RESULT($withval)
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if test -d "$withval"
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then LDFLAGS="$LDFLAGS -L$withval"
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fi
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AC_DEFINE(_REENTRANT)
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AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
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AC_DEFINE(C_THREADS)
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LIBOBJS="$LIBOBJS thread.o"],[
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AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
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AC_DEFINE(_POSIX_THREADS)
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LIBS="$LIBS -lpthreads"
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LIBOBJS="$LIBOBJS thread.o"], [
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AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
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AC_DEFINE(_POSIX_THREADS)
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LIBS="$LIBS -lpthread"
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LIBOBJS="$LIBOBJS thread.o"], [
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AC_CHECK_LIB(thread, __d6_pthread_create, [AC_DEFINE(WITH_THREAD)
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AC_DEFINE(_POSIX_THREADS)
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LIBS="$LIBS -lthread"
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LIBOBJS="$LIBOBJS thread.o"])
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])])])
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AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
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LIBS="$LIBS -lmpc"
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LIBOBJS="$LIBOBJS thread.o"])
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AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
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LIBS="$LIBS -lthread"
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LIBOBJS="$LIBOBJS thread.o"])
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], AC_MSG_RESULT(no))
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# -I${DLINCLDIR} is added to the compile rule for importdl.o
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AC_SUBST(DLINCLDIR)
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DLINCLDIR=/
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AC_MSG_CHECKING(for --with-sgi-dl)
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AC_ARG_WITH(sgi-dl, [--with-sgi-dl=DIRECTORY IRIX 4 dynamic linking], [
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AC_MSG_RESULT($withval)
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AC_DEFINE(WITH_SGI_DL)
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dldir=$withval
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if test -d "$dldir"
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then LDFLAGS="$LDFLAGS -L$dldir"
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else AC_ERROR(proper usage is --with-sgi-dl=DIRECTORY)
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fi
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DLINCLDIR=${dldir}
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LIBS="$LIBS -ldl -lmld"], AC_MSG_RESULT(no))
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AC_MSG_CHECKING(for --with-dl-dld)
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AC_ARG_WITH(dl-dld, [--with-dl-dld=DL_DIR,DLD_DIR GNU dynamic linking], [
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AC_MSG_RESULT($withval)
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AC_DEFINE(WITH_DL_DLD)
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dldir=`echo "$withval" | sed 's/,.*//'`
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dlddir=`echo "$withval" | sed 's/.*,//'`
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if test -d "$dldir" -a -d "$dlddir"
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then LDFLAGS="$LDFLAGS -L$dldir -L$dlddir"
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else AC_ERROR(proper usage is --with-dl-dld=DL_DIRECTORY,DLD_DIRECTORY)
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fi
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DLINCLDIR=${dldir}
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LIBS="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
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# checks for library functions
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AC_CHECK_FUNCS(alarm chown clock dlopen execv flock fork ftime ftruncate \
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gethostname_r getpeername getpgrp getpid getpwent gettimeofday getwd \
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kill link lstat mkfifo nice pause plock putenv readlink \
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select setgid setlocale setuid setsid setpgid setpgrp setvbuf \
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sigaction siginterrupt sigrelse strftime symlink \
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tcgetpgrp tcsetpgrp times truncate uname waitpid)
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AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
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AC_CHECK_FUNC(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
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AC_CHECK_FUNC(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
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AC_CHECK_FUNC(gettimeofday, AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ)))
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# checks for structures
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AC_HEADER_TIME
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AC_STRUCT_TM
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AC_STRUCT_TIMEZONE
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AC_MSG_CHECKING(for time.h that defines altzone)
|
|
AC_CACHE_VAL(ac_cv_header_time_altzone,
|
|
[AC_TRY_COMPILE([#include <time.h>], [return altzone;],
|
|
ac_cv_header_time_altzone=yes,
|
|
ac_cv_header_time_altzone=no)])
|
|
AC_MSG_RESULT($ac_cv_header_time_altzone)
|
|
if test $ac_cv_header_time_altzone = yes; then
|
|
AC_DEFINE(HAVE_ALTZONE)
|
|
fi
|
|
|
|
was_it_defined=no
|
|
AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
|
|
AC_TRY_COMPILE([
|
|
#include <sys/types.h>
|
|
#include <sys/select.h>
|
|
#include <sys/time.h>
|
|
], [;], [AC_DEFINE(SYS_SELECT_WITH_SYS_TIME) was_it_defined=yes])
|
|
AC_MSG_RESULT($was_it_defined)
|
|
|
|
# checks for compiler characteristics
|
|
|
|
AC_C_CHAR_UNSIGNED
|
|
|
|
AC_C_CONST
|
|
|
|
works=no
|
|
AC_MSG_CHECKING(for working volatile)
|
|
AC_TRY_COMPILE([],[volatile int x; x = 0;], works=yes, AC_DEFINE(volatile, []))
|
|
AC_MSG_RESULT($works)
|
|
|
|
works=no
|
|
AC_MSG_CHECKING(for working signed char)
|
|
AC_TRY_COMPILE([], [signed char c;], works=yes, AC_DEFINE(signed, []))
|
|
AC_MSG_RESULT($works)
|
|
|
|
have_prototypes=no
|
|
AC_MSG_CHECKING(for prototypes)
|
|
AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
|
|
AC_DEFINE(HAVE_PROTOTYPES) have_prototypes=yes)
|
|
AC_MSG_RESULT($have_prototypes)
|
|
|
|
works=no
|
|
AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
|
|
AC_TRY_COMPILE([
|
|
#include <stdarg.h>
|
|
int foo(int x, ...) {
|
|
va_list va;
|
|
va_start(va, x);
|
|
va_arg(va, int);
|
|
va_arg(va, char *);
|
|
va_arg(va, double);
|
|
return 0;
|
|
}
|
|
], [return foo(10, "", 3.14);],
|
|
AC_DEFINE(HAVE_STDARG_PROTOTYPES) works=yes)
|
|
AC_MSG_RESULT($works)
|
|
|
|
if test "$have_prototypes" = yes; then
|
|
bad_prototypes=no
|
|
AC_MSG_CHECKING(for bad exec* prototypes)
|
|
AC_TRY_COMPILE([#include <unistd.h>], [char **t;execve("@",t,t);], ,
|
|
AC_DEFINE(BAD_EXEC_PROTOTYPES) bad_prototypes=yes)
|
|
AC_MSG_RESULT($bad_prototypes)
|
|
fi
|
|
|
|
bad_forward=no
|
|
AC_MSG_CHECKING(for bad static forward)
|
|
AC_TRY_RUN([
|
|
struct s { int a; int b; };
|
|
static struct s foo;
|
|
int foobar() {
|
|
static int random;
|
|
random = (int) &foo;
|
|
return random;
|
|
}
|
|
static struct s foo = { 1, 2 };
|
|
main() {
|
|
exit(!((int)&foo == foobar()));
|
|
}
|
|
], , AC_DEFINE(BAD_STATIC_FORWARD) bad_forward=yes)
|
|
AC_MSG_RESULT($bad_forward)
|
|
|
|
va_list_is_array=no
|
|
AC_MSG_CHECKING(whether va_list is an array)
|
|
AC_TRY_COMPILE([
|
|
#ifdef HAVE_STDARG_PROTOTYPES
|
|
#include <stdarg.h>
|
|
#else
|
|
#include <varargs.h>
|
|
#endif
|
|
], [va_list list1, list2; list1 = list2;], ,
|
|
AC_DEFINE(VA_LIST_IS_ARRAY) va_list_is_array=yes)
|
|
AC_MSG_RESULT($va_list_is_array)
|
|
|
|
# checks for system services
|
|
# (none yet)
|
|
|
|
# Linux requires this for correct f.p. operations
|
|
AC_CHECK_LIB(ieee, __fpu_control)
|
|
|
|
# Check for --with-fpectl
|
|
AC_MSG_CHECKING(for --with-fpectl)
|
|
AC_ARG_WITH(fpectl, [--with-fpectl enable SIGFPE catching], [
|
|
if test "$withval" != no
|
|
then AC_DEFINE(WANT_SIGFPE_HANDLER) AC_MSG_RESULT(yes)
|
|
else AC_MSG_RESULT(no)
|
|
fi])
|
|
|
|
# check for --with-libm=...
|
|
AC_SUBST(LIBM)
|
|
case $ac_sys_system in
|
|
next) ;;
|
|
*) LIBM=-lm
|
|
esac
|
|
AC_MSG_CHECKING(for --with-libm=STRING)
|
|
AC_ARG_WITH(libm, [--with-libm=STRING math library], [
|
|
if test "$withval" = no
|
|
then LIBM=
|
|
AC_MSG_RESULT(force LIBM empty)
|
|
elif test "$withval" != yes
|
|
then LIBM=$withval
|
|
AC_MSG_RESULT(set LIBM=\"$withval\")
|
|
else AC_ERROR(proper usage is --with-libm=STRING)
|
|
fi],
|
|
[AC_MSG_RESULT(default LIBM=\"$LIBM\")])
|
|
|
|
# check for --with-libc=...
|
|
AC_SUBST(LIBC)
|
|
AC_MSG_CHECKING(for --with-libc=STRING)
|
|
AC_ARG_WITH(libc, [--with-libc=STRING C library], [
|
|
if test "$withval" = no
|
|
then LIBC=
|
|
AC_MSG_RESULT(force LIBC empty)
|
|
elif test "$withval" != yes
|
|
then LIBC=$withval
|
|
AC_MSG_RESULT(set LIBC=\"$withval\")
|
|
else AC_ERROR(proper usage is --with-libc=STRING)
|
|
fi],
|
|
[AC_MSG_RESULT(default LIBC=\"$LIBC\")])
|
|
|
|
# check for hypot() in math library
|
|
LIBS_SAVE=$LIBS
|
|
LIBS="$LIBS $LIBM"
|
|
AC_CHECK_FUNCS(hypot)
|
|
AC_REPLACE_FUNCS(hypot)
|
|
LIBS=$LIBS_SAVE
|
|
|
|
# check for getopt
|
|
AC_MSG_CHECKING(for genuine getopt)
|
|
AC_CACHE_VAL(ac_cv_func_getopt,
|
|
[AC_TRY_RUN([#include <stdio.h>
|
|
extern int optind, opterr, getopt();
|
|
extern char* optarg;
|
|
int main() {
|
|
char* av[] = { "testprog", "parameter", "-fFlag", NULL };
|
|
opterr = 0;
|
|
if (getopt(3, av, "f:") == 'f') { exit(1); }
|
|
exit(0);
|
|
}], ac_cv_func_getopt=yes, ac_cv_func_getopt=no, ac_cv_func_getopt=no)])dnl
|
|
AC_MSG_RESULT($ac_cv_func_getopt)
|
|
test $ac_cv_func_getopt = no && LIBOBJS="$LIBOBJS getopt.o"
|
|
AC_SUBST(LIBOBJS)dnl
|
|
|
|
# check whether malloc(0) returns NULL or not
|
|
AC_MSG_CHECKING(what malloc(0) returns)
|
|
AC_CACHE_VAL(ac_cv_malloc_zero,
|
|
[AC_TRY_RUN([#include <stdio.h>
|
|
#ifdef HAVE_STDLIB
|
|
#include <stdlib.h>
|
|
#else
|
|
char *malloc(), *realloc();
|
|
int *free();
|
|
#endif
|
|
main() {
|
|
char *p;
|
|
p = malloc(0);
|
|
if (p == NULL) exit(1);
|
|
p = realloc(p, 0);
|
|
if (p == NULL) exit(1);
|
|
free(p);
|
|
exit(0);
|
|
}], ac_cv_malloc_zero=nonnull, ac_cv_malloc_zero=null)])
|
|
AC_MSG_RESULT($ac_cv_malloc_zero)
|
|
if test "$ac_cv_malloc_zero" = null
|
|
then
|
|
AC_DEFINE(MALLOC_ZERO_RETURNS_NULL)
|
|
fi
|
|
|
|
# generate output files
|
|
AC_OUTPUT(Makefile \
|
|
Objects/Makefile \
|
|
Parser/Makefile \
|
|
Python/Makefile \
|
|
Modules/Makefile.pre)
|