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Apply ASLR for test binary - test-ptrace-misc, test-ptrace
[platform/upstream/libunwind.git] / configure.ac
diff --git a/configure.ac b/configure.ac
index cffe19b..66f5165 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 define(pkg_major, 1)
-define(pkg_minor, 1)
+define(pkg_minor, 2)
 define(pkg_extra, )
 define(pkg_maintainer, libunwind-devel@nongnu.org)
 define(mkvers, $1.$2$3)
@@ -37,7 +37,7 @@ dnl Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS(asm/ptrace_offsets.h endian.h sys/endian.h execinfo.h \
                ia64intrin.h sys/uc_access.h unistd.h signal.h sys/types.h \
-               sys/procfs.h sys/ptrace.h byteswap.h)
+               sys/procfs.h sys/ptrace.h byteswap.h elf.h sys/elf.h link.h sys/link.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
@@ -59,7 +59,7 @@ AC_CHECK_DECLS([PTRACE_POKEUSER, PTRACE_POKEDATA,
 PTRACE_TRACEME, PTRACE_CONT, PTRACE_SINGLESTEP,
 PTRACE_SYSCALL, PT_IO, PT_GETREGS,
 PT_GETFPREGS, PT_CONTINUE, PT_TRACE_ME,
-PT_STEP, PT_SYSCALL], [], [],
+PT_STEP, PT_SYSCALL, PTRACE_GETREGSET], [], [],
 [$ac_includes_default
 #if HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -88,6 +88,7 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 
 AC_DEFUN([SET_ARCH],[
     AS_CASE([$1],
+        [aarch64*],[$2=aarch64],
         [arm*],[$2=arm],
         [i?86],[$2=x86],
         [hppa*],[$2=hppa],
@@ -95,6 +96,7 @@ AC_DEFUN([SET_ARCH],[
         [powerpc*],[$2=ppc$ppc_bits],
         [sh*],[$2=sh],
         [amd64],[$2=x86_64],
+        [tile*],[$2=tilegx],
         [$2=$1])
 ]) dnl SET_ARCH
 
@@ -104,12 +106,32 @@ SET_ARCH([$target_cpu],[target_arch])
 
 AC_ARG_ENABLE(coredump,
        AS_HELP_STRING([--enable-coredump],[building libunwind-coredump library]),,
-        [AS_CASE([$host_arch], [arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])]
+        [AS_CASE([$host_arch], [aarch64*|arm*|mips*|sh*|x86*|tile*], [enable_coredump=yes], [enable_coredump=no])]
 )
 
 AC_MSG_CHECKING([if we should build libunwind-coredump])
 AC_MSG_RESULT([$enable_coredump])
 
+AC_ARG_ENABLE(ptrace,
+       AS_HELP_STRING([--enable-ptrace],[building libunwind-ptrace library]),,
+        [AC_CHECK_HEADER([sys/ptrace.h], [enable_ptrace=yes], [enable_ptrace=no])]
+)
+
+AC_MSG_CHECKING([if we should build libunwind-ptrace])
+AC_MSG_RESULT([$enable_ptrace])
+
+AC_ARG_ENABLE(setjmp,
+       AS_HELP_STRING([--enable-setjmp],[building libunwind-setjmp library]),,
+        [AS_IF([test x$target_arch == x$host_arch], [enable_setjmp=yes], [enable_setjmp=no])]
+)
+
+AC_ARG_ENABLE(documentation,
+       AS_HELP_STRING([--disable-documentation],[Disable generating the man pages]),,
+       [enable_documentation=yes])
+
+AC_MSG_CHECKING([if we should build libunwind-setjmp])
+AC_MSG_RESULT([$enable_setjmp])
+
 AC_MSG_CHECKING([for build architecture])
 AC_MSG_RESULT([$build_arch])
 AC_MSG_CHECKING([for host architecture])
@@ -120,7 +142,10 @@ AC_MSG_CHECKING([for target operating system])
 AC_MSG_RESULT([$target_os])
 
 AM_CONDITIONAL(BUILD_COREDUMP, test x$enable_coredump = xyes)
+AM_CONDITIONAL(BUILD_PTRACE, test x$enable_ptrace = xyes)
+AM_CONDITIONAL(BUILD_SETJMP, test x$enable_setjmp = xyes)
 AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$host_arch)
+AM_CONDITIONAL(ARCH_AARCH64, test x$target_arch = xaarch64)
 AM_CONDITIONAL(ARCH_ARM, test x$target_arch = xarm)
 AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64)
 AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa)
@@ -130,14 +155,16 @@ AM_CONDITIONAL(ARCH_X86_64, test x$target_arch = xx86_64)
 AM_CONDITIONAL(ARCH_PPC32, test x$target_arch = xppc32)
 AM_CONDITIONAL(ARCH_PPC64, test x$target_arch = xppc64)
 AM_CONDITIONAL(ARCH_SH, test x$target_arch = xsh)
+AM_CONDITIONAL(ARCH_TILEGX, test x$target_arch = xtilegx)
 AM_CONDITIONAL(OS_LINUX, expr x$target_os : xlinux >/dev/null)
 AM_CONDITIONAL(OS_HPUX, expr x$target_os : xhpux >/dev/null)
 AM_CONDITIONAL(OS_FREEBSD, expr x$target_os : xfreebsd >/dev/null)
+AM_CONDITIONAL(OS_QNX, expr x$target_os : xnto-qnx >/dev/null)
 
 AC_MSG_CHECKING([for ELF helper width])
 case "${target_arch}" in
 (arm|hppa|ppc32|x86|sh) use_elf32=yes; AC_MSG_RESULT([32]);;
-(ia64|ppc64|x86_64)    use_elf64=yes; AC_MSG_RESULT([64]);;
+(aarch64|ia64|ppc64|x86_64|tilegx)  use_elf64=yes; AC_MSG_RESULT([64]);;
 (mips)                 use_elfxx=yes; AC_MSG_RESULT([xx]);;
 *)                     AC_MSG_ERROR([Unknown ELF target: ${target_arch}])
 esac
@@ -186,8 +213,10 @@ AS_HELP_STRING([--enable-cxx-exceptions],[use libunwind to handle C++ exceptions
 # C++ exception handling doesn't work too well on x86
 case $target_arch in
   x86*) enable_cxx_exceptions=no;;
+  aarch64*) enable_cxx_exceptions=no;;
   arm*) enable_cxx_exceptions=no;;
   mips*) enable_cxx_exceptions=no;;
+  tile*) enable_cxx_exceptions=no;;
   *) enable_cxx_exceptions=yes;;
 esac
 ])
@@ -234,19 +263,21 @@ if test x$enable_msabi_support = xyes; then
 fi
 AC_MSG_RESULT([$enable_msabi_support])
 
+LIBLZMA=
 AC_MSG_CHECKING([whether to support LZMA-compressed symbol tables])
 AC_ARG_ENABLE(minidebuginfo,
 AS_HELP_STRING([--enable-minidebuginfo], [Enables support for LZMA-compressed symbol tables]),, [enable_minidebuginfo=auto])
 AC_MSG_RESULT([$enable_minidebuginfo])
 if test x$enable_minidebuginfo != xno; then
    AC_CHECK_LIB([lzma], [lzma_mf_is_supported],
-   [AC_SUBST([LIBLZMA], [-lzma])
+   [LIBLZMA=-llzma
     AC_DEFINE([HAVE_LZMA], [1], [Define if you have liblzma])
     enable_minidebuginfo=yes],
    [if test x$enable_minidebuginfo = xyes; then
       AC_MSG_FAILURE([liblzma not found])
     fi])
 fi
+AC_SUBST([LIBLZMA])
 AM_CONDITIONAL(HAVE_LZMA, test x$enable_minidebuginfo = xyes)
 
 LIBUNWIND___THREAD
@@ -258,10 +289,13 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[#ifndef __INTEL_COMPILER
 
 if test x$GCC = xyes -a x$intel_compiler != xyes; then
   CFLAGS="${CFLAGS} -fexceptions -Wall -Wsign-compare"
-  LIBCRTS="-lgcc"
 fi
 AC_MSG_RESULT([$intel_compiler])
 
+AC_MSG_CHECKING([for QCC compiler])
+AS_CASE([$CC], [qcc*|QCC*], [qcc_compiler=yes], [qcc_compiler=no])
+AC_MSG_RESULT([$qcc_compiler])
+
 if test x$intel_compiler = xyes; then
   AC_MSG_CHECKING([if linker supports -static-libcxa])
   save_LDFLAGS="$LDFLAGS"
@@ -274,6 +308,16 @@ if test x$intel_compiler = xyes; then
   AC_MSG_RESULT([$have_static_libcxa])
 fi
 
+if test x$qcc_compiler = xyes; then
+    LDFLAGS_NOSTARTFILES="-XCClinker -Wc,-nostartfiles"
+else
+    LDFLAGS_NOSTARTFILES="-XCClinker -nostartfiles"
+fi
+
+if test x$GCC = xyes -a x$intel_compiler != xyes -a x$qcc_compiler != xyes; then
+  LIBCRTS="-lgcc_s"
+fi
+
 AC_MSG_CHECKING([for __builtin___clear_cache])
 AC_LINK_IFELSE(
   [AC_LANG_PROGRAM([[]], [[__builtin___clear_cache(0, 0)]])],
@@ -285,6 +329,17 @@ if test x$have__builtin___clear_cache = xyes; then
 fi
 AC_MSG_RESULT([$have__builtin___clear_cache])
 
+AC_MSG_CHECKING([for __builtin_unreachable])
+AC_LINK_IFELSE(
+  [AC_LANG_PROGRAM([[]], [[__builtin_unreachable()]])],
+  [have__builtin_unreachable=yes],
+  [have__builtin_unreachable=no])
+if test x$have__builtin_unreachable = xyes; then
+  AC_DEFINE([HAVE__BUILTIN_UNREACHABLE], [1],
+            [Defined if __builtin_unreachable() is available])
+fi
+AC_MSG_RESULT([$have__builtin_unreachable])
+
 AC_MSG_CHECKING([for __sync atomics])
 AC_LINK_IFELSE(
   [AC_LANG_PROGRAM([[]], [[
@@ -320,6 +375,7 @@ AC_SUBST(target_os)
 AC_SUBST(arch)
 AC_SUBST(ARCH)
 AC_SUBST(LDFLAGS_STATIC_LIBCXA)
+AC_SUBST(LDFLAGS_NOSTARTFILES)
 AC_SUBST(LIBCRTS)
 AC_SUBST(PKG_MAJOR)
 AC_SUBST(PKG_MINOR)
@@ -329,8 +385,19 @@ AC_SUBST(enable_cxx_exceptions)
 AC_SUBST(enable_debug_frame)
 AC_SUBST(DLLIB)
 
+AC_PATH_PROG([LATEX2MAN],[latex2man])
+if test "x$LATEX2MAN" = "x"; then
+  AC_MSG_WARN([latex2man not found. Install latex2man. Disabling docs.])
+  enable_documentation="no";
+fi
+
+AM_CONDITIONAL([CONFIG_DOCS], [test x$enable_documentation = xyes])
+if test "x$enable_documentation" = "xyes"; then
+  AC_CONFIG_FILES(doc/Makefile doc/common.tex)
+fi
+
 AC_CONFIG_FILES(Makefile src/Makefile tests/Makefile tests/check-namespace.sh
-               doc/Makefile doc/common.tex include/libunwind-common.h
+               include/libunwind-common.h
                 include/libunwind.h include/tdep/libunwind_i.h)
 AC_CONFIG_FILES(src/unwind/libunwind.pc src/coredump/libunwind-coredump.pc
                 src/ptrace/libunwind-ptrace.pc src/setjmp/libunwind-setjmp.pc
Domain: System / System Framework;