* cpp.in: New. Better cpp shell script.

        * cpp.sh: Delete.
        * Makefile.in (cpp.sh): Build from cpp.in


git-svn-id: https://gcc.gnu.org/svn/gcc/branches/egcs_1_1_branch@25569 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 51 insertions, 2 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d47199ac659..5827e794cdb 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+Wed Mar  3 23:55:14 1999  Zack Weinberg  <zack@rabi.columbia.edu>
+
+	* cpp.in: New.  Better cpp shell script.
+	* cpp.sh: Delete.
+	* Makefile.in (cpp.sh): Build from cpp.in
+
 Tue Mar  2 01:27:52 1999  H.J. Lu  (hjl@gnu.org)
 
 	* Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 724906239eb..ecc4dec59bc 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -2287,6 +2287,10 @@ install-cpp: cpp.sh
 	  $(INSTALL_PROGRAM) -m 755 cpp.sh $(prefix)/$(cpp_install_dir)/cpp; \
 	else true; fi
 
+cpp.sh: $(srcdir)/cpp.in Makefile
+	sed -e 's%@GCC@%'$(GCC_INSTALL_NAME)'%' $(srcdir)/cpp.in > xcpp.T
+	mv -f xcpp.T cpp.sh
+
 uninstall-cpp:
 	-rm -f $(bindir)/cpp
 	-if [ x$(cpp_install_dir) != x ]; then \
diff --git a/gcc/cpp.in b/gcc/cpp.in
new file mode 100644
index 00000000000..5e85c0b54de
--- /dev/null
+++ b/gcc/cpp.in
@@ -0,0 +1,41 @@
+#! /bin/sh
+
+#  Copyright (C) 1999 Free Software Foundation, Inc.
+#  This program is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by the
+#  Free Software Foundation; either version 2, or (at your option) any
+#  later version.
+
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+# cpp: wrapper script for `gcc -E'
+
+# Check whether an input file was specified.
+# This has some limited awareness of which switches take arguments.
+
+stdin="-"
+next_is_arg=
+for arg
+do
+    if [ -n "$next_is_arg" ]
+    then next_is_arg=
+    else
+	case "$arg" in
+	    -i* | -o | -x) next_is_arg=t;;
+	    -) stdin= ;;
+	    -*) ;;
+	    *) stdin= ;;
+	esac
+    fi
+done
+
+# Hand off to the gcc driver, with -E (preprocess only)
+# and -xc (treat unknown files as source, not linker scripts)
+exec @GCC@ -E -xc ${1+"$@"} $stdin
diff --git a/gcc/cpp.sh b/gcc/cpp.sh
deleted file mode 100755
index b9b6b431711..00000000000
--- a/gcc/cpp.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#! /bin/sh
-exec `gcc -print-prog-name=cpp` ${1+"$@"}