Commit 7a156bdf authored by simonmar's avatar simonmar

[project @ 2003-01-08 12:03:28 by simonmar]

- Detect whether we have a recent GCC that might need
  -mno-omit-leaf-fram-pointer.

- Add missing HAVE_SC_GETGR_R_SIZE_MAX and HAVE_SC_GETPW_R_SIZE_MAX
  templates to acconfig.h.

- Regen mk/config.h.in.
parent 3801775f
......@@ -357,6 +357,9 @@
/* Define if the HaskellSupport.framework is installed (Mac OS X only) */
#undef HAVE_FRAMEWORK_HASKELLSUPPORT
/* Define if gcc supports -mno-omit-leaf-frame-pointer */
#undef HAVE_GCC_MNO_OMIT_LFPTR
/* Define if you have the GetModuleFileName function. */
#undef HAVE_GETMODULEFILENAME
......@@ -411,6 +414,12 @@
/* Define if readline has version >= 4.2. */
#undef HAVE_READLINE_4_2
/* Define if <unistd.h> defines _SC_GETGR_R_SIZE_MAX */
#undef HAVE_SC_GETGR_R_SIZE_MAX
/* Define if <unistd.h> defines _SC_GETPW_R_SIZE_MAX */
#undef HAVE_SC_GETPW_R_SIZE_MAX
/* Define if you have the sigpoll() function */
#undef HAVE_SIGPOLL
......
dnl $Id: aclocal.m4,v 1.110 2002/12/19 11:28:58 simonmar Exp $
dnl $Id: aclocal.m4,v 1.111 2003/01/08 12:03:28 simonmar Exp $
dnl
dnl Extra autoconf macros for the Glasgow fptools
dnl
......@@ -417,10 +417,10 @@ AC_DEFUN(FPTOOLS_HAVE_GCC,
fptools_cv_have_gcc='no'
else
changequote(, )dnl
is_gcc_v1="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [^0-9]*\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/expr 2000 \\\>= \1 \\\* 1000 + \2/g' `"
gcc_version_str="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [^0-9]*\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1\.\2/g' `"
changequote([, ])dnl
fptools_cv_have_gcc='yes'
if test `eval $is_gcc_v1 2>/dev/null` = "1"; then
FPTOOLS_PROG_CHECK_VERSION($gcc_version_str, -lt, "2.0",
fptools_cv_have_gcc='no'
echo ""
echo "your gcc version appears to be ..."
......@@ -428,13 +428,31 @@ changequote([, ])dnl
echo "gcc prior to 2.0 and have never worked with ghc."
echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok."
AC_MSG_ERROR([gcc 1.X has never been supported])
fi
)
fi
])
HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
AC_SUBST(HaveGcc)
])
dnl
dnl Some OSs (Mandrake Linux, in particular) configure GCC with
dnl -momit-leaf-frame-pointer on by default. If this is the case, we
dnl need to turn it off for mangling to work. The test is currently a bit
dnl crude, using only the version number of gcc.
dnl
AC_DEFUN(FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR,
[AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], fptools_cv_gcc_needs_no_omit_lfptr,
[
fptools_cv_gcc_needs_no_omit_lfptr='no'
FPTOOLS_PROG_CHECK_VERSION($gcc_version_str, -ge, "3.2",
fptools_cv_gcc_needs_no_omit_lfptr='yes')
])
if test "$fptools_cv_gcc_needs_no_omit_lfptr" = "yes"; then
AC_DEFINE(HAVE_GCC_MNO_OMIT_LFPTR)
fi
])
dnl Small feature test for perl version. Assumes PerlCmd
dnl contains path to perl binary
dnl
......
......@@ -594,6 +594,7 @@ dnl If gcc, make sure it's at least 2.1
dnl
AC_PROG_CC
FPTOOLS_HAVE_GCC
FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
......
......@@ -357,6 +357,9 @@
/* Define if the HaskellSupport.framework is installed (Mac OS X only) */
#undef HAVE_FRAMEWORK_HASKELLSUPPORT
/* Define if gcc supports -mno-omit-leaf-frame-pointer */
#undef HAVE_GCC_MNO_OMIT_LFPTR
/* Define if you have the GetModuleFileName function. */
#undef HAVE_GETMODULEFILENAME
......@@ -411,6 +414,12 @@
/* Define if readline has version >= 4.2. */
#undef HAVE_READLINE_4_2
/* Define if <unistd.h> defines _SC_GETGR_R_SIZE_MAX */
#undef HAVE_SC_GETGR_R_SIZE_MAX
/* Define if <unistd.h> defines _SC_GETPW_R_SIZE_MAX */
#undef HAVE_SC_GETPW_R_SIZE_MAX
/* Define if you have the sigpoll() function */
#undef HAVE_SIGPOLL
......@@ -1077,9 +1086,3 @@
/* Define to empty if `const' does not conform to ANSI C. */
#undef const
/* Define if <unistd.h> defines _SC_GETGR_R_SIZE_MAX */
#undef HAVE_SC_GETGR_R_SIZE_MAX
/* Define if <unistd.h> defines _SC_GETPW_R_SIZE_MAX */
#undef HAVE_SC_GETPW_R_SIZE_MAX
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