[project @ 2003-08-19 22:09:09 by krc]

[ghc-hetmet.git] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index 1ba24b0..62aab2c 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -73,7 +73,8 @@ AC_CACHE_CHECK([alignment of $1], AS_TR_SH([fp_cv_alignment_$1]),
   FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
                  [AS_TR_SH([fp_cv_alignment_$1])],
                  [AC_INCLUDES_DEFAULT([$3])],
-                 [AC_MSG_FAILURE([cannot compute alignment ($1), 77])])
+                 [AC_MSG_ERROR([cannot compute alignment ($1)
+See `config.log' for more details.], [77])])
 else
   AS_TR_SH([fp_cv_alignment_$1])=0
 fi])dnl
@@ -145,7 +146,7 @@ esac);
 LeadingUnderscore=`echo $fptools_cv_lead_uscore | sed 'y/yesno/YESNO/'`
 AC_SUBST(LeadingUnderscore)
 case $LeadingUnderscore in
-YES) AC_DEFINE(LEADING_UNDERSCORE);;
+YES) AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.]);;
 esac
 ])
 
@@ -449,7 +450,7 @@ AC_DEFUN(FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR,
      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)
+   AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
 fi
 ])
 
@@ -648,7 +649,7 @@ main() {
 ifelse([$2], , AC_CV_NAME=NotReallyAType,      AC_CV_NAME=$2),
 ifelse([$3], , AC_CV_NAME=NotReallyATypeCross, AC_CV_NAME=$3))]) dnl
 AC_MSG_RESULT($AC_CV_NAME)
-AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
+AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
 undefine([AC_TYPE_NAME])dnl
 undefine([AC_CV_NAME])dnl
 ])
@@ -678,15 +679,26 @@ eval "$cv_name=-1",
 eval "$cv_name=-1")])dnl
 eval "fptools_check_cconst_result=`echo '$'{$cv_name}`"
 AC_MSG_RESULT($fptools_check_cconst_result)
-AC_DEFINE_UNQUOTED(CCONST_$1, $fptools_check_cconst_result)
+AC_DEFINE_UNQUOTED(CCONST_$1, $fptools_check_cconst_result, [The value of $1.])
 unset fptools_check_cconst_result
 ])
 
+
+# FP_CHECK_CCONSTS_TEMPLATE(CONST...)
+# -----------------------------------
+m4_define([FP_CHECK_CCONSTS_TEMPLATE],
+[AC_FOREACH([FP_Const], [$1],
+  [AH_TEMPLATE(AS_TR_CPP(CCONST_[]FP_Const),
+               [The value of ]FP_Const[.])])[]dnl
+])# FP_CHECK_CCONSTS_TEMPLATE
+
+
 dnl ** Invoke AC_CHECK_CCONST on each argument (which have to separate with 
 dnl    spaces)
 dnl
 AC_DEFUN(FPTOOLS_CHECK_CCONSTS,
-[for ac_const_name in $1
+[FP_CHECK_CCONSTS_TEMPLATE([$1])dnl
+for ac_const_name in $1
 do
 FPTOOLS_CHECK_CCONST($ac_const_name)dnl
 done
@@ -714,7 +726,7 @@ AC_LANG_RESTORE
 ])
 AC_MSG_RESULT($fptools_cv_have_o_binary)
 if test "$fptools_cv_have_o_binary" = yes; then
-AC_DEFINE(HAVE_O_BINARY)
+  AC_DEFINE([HAVE_O_BINARY], [1], [Define to 1 if fcntl.h defines O_BINARY.])
 fi
 ])
 
@@ -1091,34 +1103,3 @@ else
   $2="";
 fi;
 ])
-
-dnl
-dnl Check to see whether 'struct msghdr' contains msg_control
-dnl 
-AC_DEFUN(FPTOOLS_MSGHDR_MSG_CONTROL,
-[AC_CACHE_CHECK([for msg_control in struct msghdr], fptools_cv_struct_msghdr_msg_control,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/uio.h>
-#include <sys/socket.h>], [struct msghdr m; m.msg_control;],
-fptools_cv_struct_msghdr_msg_control=yes, fptools_cv_struct_msghdr_msg_control=no)])
-if test $fptools_cv_struct_msghdr_msg_control = yes; then
-  AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL)
-fi
-AC_SUBST(HAVE_MSGHDR_MSG_CONTROL)dnl
-])
-
-dnl
-dnl Check to see whether 'struct msghdr' contains msg_accrights
-dnl 
-AC_DEFUN(FPTOOLS_MSGHDR_MSG_ACCRIGHTS,
-[AC_CACHE_CHECK([for msg_accrights in struct msghdr], fptools_cv_struct_msghdr_msg_accrights,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/uio.h>
-#include <sys/socket.h>], [struct msghdr m; m.msg_accrights;],
-fptools_cv_struct_msghdr_msg_accrights=yes, fptools_cv_struct_msghdr_msg_accrights=no)])
-if test $fptools_cv_struct_msghdr_msg_accrights = yes; then
-  AC_DEFINE(HAVE_MSGHDR_MSG_ACCRIGHTS)
-fi
-AC_SUBST(HAVE_MSGHDR_MSG_ACCRIGHTS)dnl
-])
-