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-rw-r--r--aclocal.m429
1 files changed, 27 insertions, 2 deletions
diff --git a/aclocal.m4 b/aclocal.m4
index 672341b58..e91be3c0d 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -27,9 +27,12 @@ ac_save_CFLAGS="$CFLAGS"
# breaks some systems' header files.
# AIX -qlanglvl=ansi
# Ultrix and OSF/1 -std1
-# HP-UX -Aa -D_HPUX_SOURCE
+# HP-UX -Ae or -Aa -D_HPUX_SOURCE
# SVR4 -Xc
-for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" -Xc
+# For HP-UX, we try -Ae first; this turns on ANSI but also extensions,
+# as well as defining _HPUX_SOURCE, and we can then use long long.
+# We keep the old version for backward compatibility.
+for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" -Xc
do
CFLAGS="$ac_save_CFLAGS $ac_arg"
AC_TRY_COMPILE(
@@ -49,4 +52,26 @@ case "x$fp_cv_prog_cc_stdc" in
esac
])
+AC_DEFUN(AC_PROG_LN,
+[AC_MSG_CHECKING(whether ln works)
+AC_CACHE_VAL(ac_cv_prog_LN,
+[rm -f conftestdata conftestlink
+echo > conftestdata
+if ln conftestdata conftestlink 2>/dev/null
+then
+ rm -f conftestdata conftestlink
+ ac_cv_prog_LN="ln"
+else
+ rm -f conftestdata
+ ac_cv_prog_LN="cp"
+fi])dnl
+LN="$ac_cv_prog_LN"
+if test "$ac_cv_prog_LN" = "ln"; then
+ AC_MSG_RESULT(yes)
+else
+ AC_MSG_RESULT(no)
+fi
+AC_SUBST(LN)dnl
+])
+
builtin(include, aczsh.m4)