[project @ 1998-07-24 10:42:33 by sof]

Added long long feature test; macro namespace cleanup

1 files changed, 76 insertions, 48 deletions

diff --git a/aclocal.m4 b/aclocal.m4
index 2447a1c2eb..12e39bcf0d 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,21 +1,24 @@
-dnl $Id: aclocal.m4,v 1.22 1998/04/10 12:38:38 simonm Exp $
+dnl $Id: aclocal.m4,v 1.23 1998/07/24 10:42:34 sof Exp $
 dnl 
 dnl Extra autoconf macros for the Glasgow fptools
 dnl
+dnl To be a good autoconf citizen, names of local macros have
+dnl prefixed with FPTOOLS_ to ensure we don't clash
+dnl with any pre-supplied autoconf ones.
 
 dnl 
 dnl Are we running under the GNU libc?  Need -D_GNU_SOURCE to get 
 dnl caddr_t and such.
 dnl 
-AC_DEFUN(AC_GNU_LIBC,
-[AC_CACHE_CHECK([GNU libc], ac_cv_gnu_libc,
+AC_DEFUN(FPTOOLS_GNU_LIBC,
+[AC_CACHE_CHECK([GNU libc], fptools_cv_gnu_libc,
 [AC_EGREP_CPP(yes,
 [#include <features.h>
 #ifdef __GLIBC__
 yes
 #endif
-], ac_cv_gnu_libc=yes, ac_cv_gnu_libc=no)])
-if test "$ac_cv_gnu_libc" = yes; then
+], fptools_cv_gnu_libc=yes, fptools_cv_gnu_libc=no)])
+if test "$fptools_cv_gnu_libc" = yes; then
   AC_DEFINE(_GNU_SOURCE)
 fi
 ])
@@ -24,8 +27,8 @@ dnl
 dnl Has timezone the type time_t or long (HP-UX 10.20 apparently
 dnl has `long'..)
 dnl 
-AC_DEFUN(AC_TYPE_TIMEZONE,
-[AC_CACHE_CHECK([type of timezone], ac_cv_type_timezone,
+AC_DEFUN(FPTOOLS_TYPE_TIMEZONE,
+[AC_CACHE_CHECK([type of timezone], fptools_cv_type_timezone,
 [AC_TRY_COMPILE([#if TIME_WITH_SYS_TIME
 # include <sys/time.h>
 # include <time.h>
@@ -39,14 +42,14 @@ AC_DEFUN(AC_TYPE_TIMEZONE,
 
 extern time_t timezone;
 ],
-[int i;], ac_cv_type_timezone=time_t, ac_cv_type_timezone=long)])
-AC_DEFINE_UNQUOTED(TYPE_TIMEZONE, $ac_cv_type_timezone)
+[int i;], fptools_cv_type_timezone=time_t, fptools_cv_type_timezone=long)])
+AC_DEFINE_UNQUOTED(TYPE_TIMEZONE, $fptools_cv_type_timezone)
 ])
 
 dnl *** Is altzone available? ***
 dnl 
-AC_DEFUN(AC_ALTZONE,
-[AC_CACHE_CHECK([altzone], ac_cv_altzone,
+AC_DEFUN(FPTOOLS_ALTZONE,
+[AC_CACHE_CHECK([altzone], fptools_cv_altzone,
 [AC_TRY_LINK([#if TIME_WITH_SYS_TIME
 # include <sys/time.h>
 # include <time.h>
@@ -58,8 +61,8 @@ AC_DEFUN(AC_ALTZONE,
 # endif
 #endif
 ], [return altzone;], 
-ac_cv_altzone=yes, ac_cv_altzone=no)])
-if test "$ac_cv_altzone" = yes; then
+fptools_cv_altzone=yes, fptools_cv_altzone=no)])
+if test "$fptools_cv_altzone" = yes; then
   AC_DEFINE(HAVE_ALTZONE)
 fi
 ])
@@ -71,18 +74,18 @@ dnl underscore.
 dnl 
 dnl We assume that they _haven't_ if anything goes wrong.
 dnl
-AC_DEFUN(AC_UNDERSCORE,
+AC_DEFUN(FPTOOLS_UNDERSCORE,
 [AC_CHECK_LIB(elf, nlist, LIBS="-lelf $LIBS")dnl
-AC_CACHE_CHECK([leading underscore in symbol names], ac_cv_lead_uscore,
+AC_CACHE_CHECK([leading underscore in symbol names], fptools_cv_lead_uscore,
 
 dnl
 dnl Hack!: nlist() under Digital UNIX insist on there being an _,
-dnl but symbol table listings show none. What is going on here?!?
+dnl but symbol table listings shows none. What is going on here?!?
 dnl
 changequote(<<, >>)dnl
 <<
 case $HostPlatform in
-alpha-dec-osf*) ac_cv_lead_uscore='no';;
+alpha-dec-osf*) fptools_cv_lead_uscore='no';;
 *) >>
 changequote([, ])dnl
 AC_TRY_RUN([#ifdef HAVE_NLIST_H
@@ -105,7 +108,7 @@ changequote([, ])dnl
 }], ac_cv_lead_uscore=yes, ac_cv_lead_uscore=no, ac_cv_lead_uscore=NO)
 ;;
 esac);
-LeadingUnderscore=`echo $ac_cv_lead_uscore | sed 'y/yesno/YESNO/'`
+LeadingUnderscore=`echo $fptools_cv_lead_uscore | sed 'y/yesno/YESNO/'`
 AC_SUBST(LeadingUnderscore)
 case $LeadingUnderscore in
 YES) AC_DEFINE(LEADING_UNDERSCORE);;
@@ -115,18 +118,18 @@ esac
 dnl
 dnl Check for Happy and version.
 dnl
-AC_DEFUN(AC_HAPPY,
+AC_DEFUN(FPTOOLS_HAPPY,
 [AC_PATH_PROG(HappyCmd,happy)
-AC_CACHE_CHECK([for version of happy], ac_cv_happy_version,
+AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
 [if test x"$HappyCmd" != x; then
-   ac_cv_happy_version="`$HappyCmd -v |
+   fptools_cv_happy_version="`$HappyCmd -v |
 changequote(, )dnl
 			  grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
 changequote([, ])dnl
 else
-   ac_cv_happy_version="";
+   fptools_cv_happy_version="";
 fi;
-if expr "$ac_cv_happy_version" "<" 1.4 > /dev/null 2>&1; then
+if expr "$fptools_cv_happy_version" "<" 1.4 > /dev/null 2>&1; then
    echo
    echo "Happy version 1.4 or later is required to compile GHC."
    exit 1;
@@ -141,15 +144,15 @@ dnl What's the best way of doing context diffs?
 dnl
 dnl (NB: NeXTStep thinks diff'ing a file against itself is "trouble")
 dnl
-AC_DEFUN(AC_PROG_DIFF,
-[AC_CACHE_CHECK([for ok way to do context diffs], ac_cv_context_diffs,
+AC_DEFUN(FPTOOLS_PROG_DIFF,
+[AC_CACHE_CHECK([for ok way to do context diffs], fptools_cv_context_diffs,
 [echo foo > conftest1
 echo foo > conftest2
 if diff -C 1 conftest1 conftest2 > /dev/null 2>&1 ; then
-    ac_cv_context_diffs='diff -C 1'
+    fptools_cv_context_diffs='diff -C 1'
 else
     if diff -c1 conftest1 conftest2 > /dev/null 2>&1 ; then
-        ac_cv_context_diffs='diff -c1'
+        fptools_cv_context_diffs='diff -c1'
     else
         echo "Can't figure out how to do context diffs."
         echo "Neither \`diff -C 1' nor \`diff -c1' works."
@@ -158,14 +161,14 @@ else
 fi
 rm -f conftest1 conftest2
 ])
-ContextDiffCmd=$ac_cv_context_diffs
+ContextDiffCmd=$fptools_cv_context_diffs
 AC_SUBST(ContextDiffCmd)
 ])
 
 dnl
 dnl Finding the Right Yacc
 dnl
-AC_DEFUN(AC_PROG_YACCY,
+AC_DEFUN(FPTOOLS_PROG_YACCY,
 [AC_PROG_YACC
 if test "$YACC" = "yacc"; then
    AC_CACHE_CHECK([if it is an OK yacc], ac_cv_prog_yacc,
@@ -200,7 +203,7 @@ dnl *** Checking for ar and its arguments + whether we need ranlib.
 dnl
 dnl ArCmd and RANLIB are AC_SUBST'ed
 dnl 
-AC_DEFUN(AC_PROG_AR_AND_RANLIB,
+AC_DEFUN(FPTOOLS_PROG_AR_AND_RANLIB,
 [AC_PATH_PROG(ArCmd,ar)
 if test -z "$ArCmd"; then
     echo "You don't seem to have ar in your PATH...I have no idea how to make a library"
@@ -240,17 +243,17 @@ fi
 dnl
 dnl AC_SHEBANG_PERL - can we she-bang perl?
 dnl
-AC_DEFUN(AC_SHEBANG_PERL,
-[AC_CACHE_CHECK([if your perl works in shell scripts], ac_cv_shebang_perl,
+AC_DEFUN(FPTOOLS_SHEBANG_PERL,
+[AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
 [echo "#!$PerlCmd"'
 exit $1;
 ' > conftest
 chmod u+x conftest
 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
 if test $? -ne 69; then
-   ac_cv_shebang_perl=yes
+   fptools_cv_shebang_perl=yes
 else
-   ac_cv_shebang_perl=no
+   fptools_cv_shebang_perl=no
 fi
 rm -f conftest
 ])])
@@ -259,13 +262,13 @@ dnl
 dnl Extra testing of the result AC_PROG_CC, testing the gcc version no.
 dnl *Must* be called after AC_PROG_CC
 dnl
-AC_DEFUN(AC_HAVE_GCC,
-[AC_CACHE_CHECK([whether you have an ok gcc], ac_cv_have_gcc,
+AC_DEFUN(FPTOOLS_HAVE_GCC,
+[AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc,
 [if test -z "$GCC"; then
     echo ''
     echo "You would be better off with gcc"
     echo "Perhaps it is already installed, but not in your PATH?"
-    ac_cv_have_gcc='no'
+    fptools_cv_have_gcc='no'
 else
 changequote(, )dnl
     cmd_string="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [^0-9]*\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/expr 20 \\\< \1 \\\* 10 + \2/g' `"
@@ -275,27 +278,27 @@ changequote([, ])dnl
         echo "I'm not sure if your version of gcc will work,"
         echo "but it's worth a shot, eh?"
     fi
-    ac_cv_have_gcc='yes'
+    fptools_cv_have_gcc='yes'
 fi
 ])
-HaveGcc=`echo $ac_cv_have_gcc | sed 'y/yesno/YESNO/'`
+HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
 AC_SUBST(HaveGcc)
 ])
 
 dnl
-dnl AC_PROG_GNUCPP gathers the path to the cpp that the
+dnl FPTOOLS_PROG_GNUCPP gathers the path to the cpp that the
 dnl gcc driver calls upon.
 dnl
 dnl Substitutes: GNUCPP and RAWCPP (latter is 'GNUCPP -traditional')
 dnl
-AC_DEFUN(AC_PROG_GNUCPP,
-[AC_CACHE_CHECK([how to invoke GNU cpp directly], ac_cv_gnu_cpp,
+AC_DEFUN(FPTOOLS_PROG_GNUCPP,
+[AC_CACHE_CHECK([how to invoke GNU cpp directly], fptools_cv_gnu_cpp,
 [if test "$HaveGcc" = "YES"; then
 	echo > conftest.c
 	gcc -v -E conftest.c >/dev/null 2>conftest.out
 	# \x5c = backslash
 	echo 'tr/\x5c/\//; /(\S+\/cpp)/ && print "[$]1";' > conftest.pl
-	ac_cv_gnu_cpp="`eval $PerlCmd -n conftest.pl conftest.out`"
+	fptools_cv_gnu_cpp="`eval $PerlCmd -n conftest.pl conftest.out`"
 	rm -fr conftest*
  else
 	# We need to be able to invoke CPP directly, preferably
@@ -303,10 +306,10 @@ AC_DEFUN(AC_PROG_GNUCPP,
 	# this at the moment).
 	# Take a guess at what to use, this probably won't work.
 	echo Warning: GNU cpp not found, using $CPP
-	ac_cv_gnu_cpp =	$CPP
+	fptools_cv_gnu_cpp = $CPP
  fi
 ])
-GNUCPP=$ac_cv_gnu_cpp
+GNUCPP=$fptools_cv_gnu_cpp
 RAWCPP="$GNUCPP -traditional"
 AC_SUBST(GNUCPP)
 AC_SUBST(RAWCPP)
@@ -315,7 +318,7 @@ AC_SUBST(RAWCPP)
 dnl Small feature test for perl version. Assumes PerlCmd
 dnl contains path to perl binary
 dnl
-AC_DEFUN(AC_CHECK_PERL_VERSION,
+AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
 [$PerlCmd -v >conftest.out 2>&1
 if grep "version 4" conftest.out >/dev/null 2>&1; then
    if grep "Patch level: 35" conftest.out >/dev/null 2>&1; then
@@ -346,8 +349,8 @@ dnl ** figure out the alignment restriction of a type
 dnl    (required SIZEOF test but AC_CHECK_SIZEOF doesn't call PROVIDE
 dnl     so we can't call REQUIRE)
 
-dnl GHC_CHECK_ALIGNMENT(TYPE)
-AC_DEFUN(GHC_CHECK_ALIGNMENT,
+dnl FPTOOLS_CHECK_ALIGNMENT(TYPE)
+AC_DEFUN(FPTOOLS_CHECK_ALIGNMENT,
 [changequote(<<, >>)dnl
 dnl The name to #define.
 define(<<AC_TYPE_NAME>>, translit(alignment_$1, [a-z *], [A-Z_P]))dnl
@@ -385,3 +388,28 @@ undefine([AC_CV_NAME])dnl
 undefine([AC_CV_SIZEOF_NAME])dnl
 ])
 
+dnl ** figure out whether C compiler supports 'long long's
+dnl    (Closely based on Andreas Zeller's macro for testing
+dnl     for this under C++)
+dnl
+dnl    If the C compiler supports `long long' types,
+dnl    define `HAVE_LONG_LONG'.
+dnl
+AC_DEFUN(FPTOOLS_C_LONG_LONG,
+[
+AC_REQUIRE([AC_PROG_CC])
+AC_MSG_CHECKING(whether ${CC} supports long long types)
+AC_CACHE_VAL(fptools_cv_have_long_long,
+[
+AC_LANG_SAVE
+AC_LANG_C
+AC_TRY_COMPILE(,[long long a;],
+fptools_cv_have_long_long=yes,
+fptools_cv_have_long_long=no)
+AC_LANG_RESTORE
+])
+AC_MSG_RESULT($fptools_cv_have_long_long)
+if test "$fptools_cv_have_long_long" = yes; then
+AC_DEFINE(HAVE_LONG_LONG)
+fi
+])