libunwind-eh_elf/configure.in

dnl Process this file with autoconf to produce a configure script.
AC_INIT(libunwind, 0.96, libunwind@linux.hpl.hp.com)
AC_CONFIG_SRCDIR(src/backtrace.c)
AC_CONFIG_AUX_DIR(aux)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE
AM_CONFIG_HEADER(include/config.h)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AM_PROG_LIBTOOL
AM_PROG_AS

dnl Checks for libraries.
AC_CHECK_LIB(uca, __uc_get_grs)
CHECK_ATOMIC_OPS

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(asm/ptrace_offsets.h endian.h execinfo.h ia64intrin.h \
		 sys/uc_access.h unistd.h signal.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T

CPPFLAGS="${CPPFLAGS} -D_GNU_SOURCE"
if test x$enable_debug = xyes; then
  CPPFLAGS="${CPPFLAGS} -DDEBUG"
else
  CPPFLAGS="${CPPFLAGS} -DNDEBUG"
fi

AC_CHECK_TYPES([sighandler_t], [], [],
[$ac_includes_default
#if HAVE_SIGNAL_H
# include <signal.h>
#endif
])

dnl Checks for library functions.
AC_FUNC_MEMCMP
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(dl_iterate_phdr dlmodinfo getunwind ttrace)

get_arch() {
 case "$1" in
  i?86) echo x86;;
  hppa*) echo hppa;;
  *) echo $1;;
 esac
}

build_arch=`get_arch $build_cpu`
target_arch=`get_arch $target_cpu`

AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$build_arch)
AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64)
AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa)
AM_CONDITIONAL(ARCH_X86, test x$target_arch = xx86)
AM_CONDITIONAL(OS_LINUX, expr x$target_os : xlinux >/dev/null)
AM_CONDITIONAL(OS_HPUX, expr x$target_os : xhpux >/dev/null)

if test x$target_arch != x$build_arch; then
  CPPFLAGS="${CPPFLAGS} -DUNW_REMOTE_ONLY"
fi
AC_CONFIG_LINKS(include/libunwind.h:include/libunwind-$target_arch.h
		include/tdep.h:include/tdep-$target_arch.h)

AC_ARG_ENABLE(debug,
[  --enable-debug          turn on debug support (slows down execution)],
[enable_debug=yes], [])

LIBUNWIND___THREAD

if test x$GCC = xyes; then
  CFLAGS="${CFLAGS} -Wall -Wsign-compare"
fi

CCASFLAGS="${CCASFLAGS} ${CPPFLAGS}"

arch="$target_arch"
ARCH=`echo $target_arch | tr [a-z] [A-Z]`

AC_SUBST(arch)
AC_SUBST(ARCH)

AC_CONFIG_FILES(Makefile src/Makefile tests/Makefile
		doc/Makefile doc/common.tex)
AC_OUTPUT
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00			`dnl Process this file with autoconf to produce a configure script.`
Up version number. (Logical change 1.138) 2003-12-05 07:42:28 +01:00			`AC_INIT(libunwind, 0.96, libunwind@linux.hpl.hp.com)`
Modernize AC_INIT/AC_INIT_AUTOMAKE calls. (AC_CONFIG_SRCDIR): New call. (Logical change 1.127) 2003-11-26 19:59:24 +01:00			`AC_CONFIG_SRCDIR(src/backtrace.c)`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00			`AC_CONFIG_AUX_DIR(aux)`
			`AC_CANONICAL_SYSTEM`
Modernize AC_INIT/AC_INIT_AUTOMAKE calls. (AC_CONFIG_SRCDIR): New call. (Logical change 1.127) 2003-11-26 19:59:24 +01:00			`AM_INIT_AUTOMAKE`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00			`AM_MAINTAINER_MODE`
			`AM_CONFIG_HEADER(include/config.h)`

			`dnl Checks for programs.`
			`AC_PROG_CC`
Regenerate. (Logical change 1.70) 2003-03-28 08:43:22 +01:00			`AC_PROG_CXX`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00			`AC_PROG_INSTALL`
			`AC_PROG_MAKE_SET`
			`AM_PROG_LIBTOOL`
(AC_CHECK_HEADERS): Mention ia64intrin.h. (CCASFLAGS): Define this instead of ASFLAGS. (Logical change 1.46) 2003-02-14 04:09:27 +01:00			`AM_PROG_AS`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00
			`dnl Checks for libraries.`
Add check for -luca (needed on HP-UX). Add check for <sys/uc_access.h> (needed on HP-UX). (OS_HPUX): New conditional. (Logical change 1.75) 2003-04-03 09:59:15 +02:00			`AC_CHECK_LIB(uca, __uc_get_grs)`
Add CHECK_ATOMIC_OPS test. (Logical change 1.123) 2003-11-24 22:37:22 +01:00			`CHECK_ATOMIC_OPS`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00
			`dnl Checks for header files.`
			`AC_HEADER_STDC`
Increment version number to 0.91. Check for asm/ptrace_offsets.h, endian.h, and execinfo.h. Check for signal-return type. Check for sighandler_t. Check for dl_iterate_phdr() and dlmodinfo(). (Logical change 1.63) 2003-03-19 20:25:18 +01:00			`AC_CHECK_HEADERS(asm/ptrace_offsets.h endian.h execinfo.h ia64intrin.h \`
AC_CHECK_HEADERS: Mention signal.h. (CPPFLAGS): Move before AC_CHECK_TYPES(), so those later checks run with -D_GNU_SOURCE. (AC_CHECK_TYPES): Fix the check for sighandler_t. (Logical change 1.104) 2003-09-25 07:29:14 +02:00			`sys/uc_access.h unistd.h signal.h)`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00
			`dnl Checks for typedefs, structures, and compiler characteristics.`
			`AC_C_CONST`
			`AC_C_INLINE`
Increment version number to 0.91. Check for asm/ptrace_offsets.h, endian.h, and execinfo.h. Check for signal-return type. Check for sighandler_t. Check for dl_iterate_phdr() and dlmodinfo(). (Logical change 1.63) 2003-03-19 20:25:18 +01:00			`AC_TYPE_SIGNAL`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00			`AC_TYPE_SIZE_T`

AC_CHECK_HEADERS: Mention signal.h. (CPPFLAGS): Move before AC_CHECK_TYPES(), so those later checks run with -D_GNU_SOURCE. (AC_CHECK_TYPES): Fix the check for sighandler_t. (Logical change 1.104) 2003-09-25 07:29:14 +02:00			`CPPFLAGS="${CPPFLAGS} -D_GNU_SOURCE"`
			`if test x$enable_debug = xyes; then`
			`CPPFLAGS="${CPPFLAGS} -DDEBUG"`
			`else`
			`CPPFLAGS="${CPPFLAGS} -DNDEBUG"`
			`fi`

			`AC_CHECK_TYPES([sighandler_t], [], [],`
			`[$ac_includes_default`
			`#if HAVE_SIGNAL_H`
			`# include <signal.h>`
			`#endif`
			`])`
Increment version number to 0.91. Check for asm/ptrace_offsets.h, endian.h, and execinfo.h. Check for signal-return type. Check for sighandler_t. Check for dl_iterate_phdr() and dlmodinfo(). (Logical change 1.63) 2003-03-19 20:25:18 +01:00
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00			`dnl Checks for library functions.`
			`AC_FUNC_MEMCMP`
			`AC_TYPE_SIGNAL`
Increment version number to 0.91. Check for asm/ptrace_offsets.h, endian.h, and execinfo.h. Check for signal-return type. Check for sighandler_t. Check for dl_iterate_phdr() and dlmodinfo(). (Logical change 1.63) 2003-03-19 20:25:18 +01:00			`AC_CHECK_FUNCS(dl_iterate_phdr dlmodinfo getunwind ttrace)`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00
			`get_arch() {`
			`case "$1" in`
			`i?86) echo x86;;`
(get_arch): Handle hppa. (ARCH_HPPA): New AM_CONDITIONAL. (Logical change 1.33) 2003-01-14 08:11:56 +01:00			`hppa*) echo hppa;;`
Check for assembler with AM_PROG_AS. (get_arch): Fix typo: $target_cpu -> $1. (ARCH_X86): Rename from ARCH_IA32. (Logical change 1.32) 2002-12-19 08:16:50 +01:00			`*) echo $1;;`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00			`esac`
			`}`

			build_arch=`get_arch $build_cpu`
			target_arch=`get_arch $target_cpu`

			`AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$build_arch)`
Up version number to 0.2-pre3. Change "test" equality-test operator from "==" to "=". The former is a non-standard GNU extension. (Logical change 1.34) 2003-01-16 04:10:11 +01:00			`AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64)`
			`AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa)`
			`AM_CONDITIONAL(ARCH_X86, test x$target_arch = xx86)`
Up version number to 0.2-pre5. (OS_LINUX): New conditional. (CFLAGS): Turn on -Wsign-compare for gcc. (Logical change 1.45) 2003-02-08 11:10:59 +01:00			`AM_CONDITIONAL(OS_LINUX, expr x$target_os : xlinux >/dev/null)`
Add check for -luca (needed on HP-UX). Add check for <sys/uc_access.h> (needed on HP-UX). (OS_HPUX): New conditional. (Logical change 1.75) 2003-04-03 09:59:15 +02:00			`AM_CONDITIONAL(OS_HPUX, expr x$target_os : xhpux >/dev/null)`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00
			`if test x$target_arch != x$build_arch; then`
			`CPPFLAGS="${CPPFLAGS} -DUNW_REMOTE_ONLY"`
			`fi`
Always create a symlink from target's libunwind.h to libunwind.h (it only gets for the local case, of course). (Logical change 1.30) 2002-12-12 10:17:41 +01:00			`AC_CONFIG_LINKS(include/libunwind.h:include/libunwind-$target_arch.h`
			`include/tdep.h:include/tdep-$target_arch.h)`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00
			`AC_ARG_ENABLE(debug,`
			`[ --enable-debug turn on debug support (slows down execution)],`
			`[enable_debug=yes], [])`

Add call to LIBUNWIND___THREAD. (Logical change 1.22) 2002-11-09 08:59:02 +01:00			`LIBUNWIND___THREAD`

Use -Wall when compiling with GCC. (Logical change 1.19) 2002-07-18 05:58:34 +02:00			`if test x$GCC = xyes; then`
Up version number to 0.2-pre5. (OS_LINUX): New conditional. (CFLAGS): Turn on -Wsign-compare for gcc. (Logical change 1.45) 2003-02-08 11:10:59 +01:00			`CFLAGS="${CFLAGS} -Wall -Wsign-compare"`
Use -Wall when compiling with GCC. (Logical change 1.19) 2002-07-18 05:58:34 +02:00			`fi`

(AC_CHECK_HEADERS): Mention ia64intrin.h. (CCASFLAGS): Define this instead of ASFLAGS. (Logical change 1.46) 2003-02-14 04:09:27 +01:00			`CCASFLAGS="${CCASFLAGS} ${CPPFLAGS}"`

Multi-architecture support. Rename ARCH_x86 to ARCH_IA32. (Logical change 1.12) 2002-04-06 01:37:55 +02:00			`arch="$target_arch"`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00			ARCH=`echo $target_arch \| tr [a-z] [A-Z]`

Multi-architecture support. Rename ARCH_x86 to ARCH_IA32. (Logical change 1.12) 2002-04-06 01:37:55 +02:00			`AC_SUBST(arch)`
Add AM_MAINTAINER_MODE. Add command-line option --enable-debug to enable debugging. In CPPFLAGS, define DEBUG when debugging, NDEBUG otherwise. Add CPPFLAGS to ASFLAGS. (Logical change 1.8) 2002-02-28 17:24:48 +01:00			`AC_SUBST(ARCH)`
Convert old-style AC_OUTPUT() to new-style AC_CONFIG_FILES()/AC_OUTPUT. (Logical change 1.35) 2003-01-17 08:48:52 +01:00
			`AC_CONFIG_FILES(Makefile src/Makefile tests/Makefile`
			`doc/Makefile doc/common.tex)`
			`AC_OUTPUT`