From 0cd8b438851fba52f42877525214ee7382290b0b Mon Sep 17 00:00:00 2001
From: escoffon <escoffon>
Date: Wed, 1 Jul 1998 18:28:41 +0000
Subject: - added support for configuration of debug/nodebug in configure
 script. - also added a atring to append to generated libraries when built
 with symbols.

---
 unix/Makefile.in  | 18 ++++++++++++++----
 unix/configure.in | 24 ++++++++++++++++++++++++
 2 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/unix/Makefile.in b/unix/Makefile.in
index 837e5b5..88df1da 100644
--- a/unix/Makefile.in
+++ b/unix/Makefile.in
@@ -81,6 +81,20 @@ TCL_GENERIC_DIR =	@TCL_SRC_DIR@/generic
 # for this version of Tk:
 TCL_BIN_DIR =		@TCL_BIN_DIR@
 
+# Libraries built with optimization switches have this additional extension
+DBGX =			@DBGX@
+
+# The default switches for optimization or debugging
+CFLAGS_DEBUG =		@CFLAGS_DEBUG@
+CFLAGS_OPTIMIZE =	@CFLAGS_OPTIMIZE@
+
+# To change the compiler switches, for example to change from optimization to
+# debugging symbols, change the following line:
+#CFLAGS = 		$(CFLAGS_DEBUG)
+#CFLAGS = 		$(CFLAGS_OPTIMIZE)
+#CFLAGS = 		$(CFLAGS_DEBUG) $(CFLAGS_OPTIMIZE)
+CFLAGS = 		$(@CFLAGS_DEFAULT@)
+
 # A "-I" switch that can be used when compiling to make all of the
 # X11 include files accessible (the configure script will try to
 # set this value, and will cause it to be an empty string if the
@@ -96,10 +110,6 @@ X11_LIB_SWITCHES =	@XLIBSW@
 # configure script.
 LIBS = @TCL_BUILD_LIB_SPEC@ @LIBS@ $(X11_LIB_SWITCHES) @DL_LIBS@ @MATH_LIBS@ -lc
 
-# To change the compiler switches, for example to change from -O
-# to -g, change the following line:
-CFLAGS = -O
-
 # To turn off the security checks that disallow incoming sends when
 # the X server appears to be insecure, reverse the comments on the
 # following lines:
diff --git a/unix/configure.in b/unix/configure.in
index 5f0ba06..0b7cc16 100644
--- a/unix/configure.in
+++ b/unix/configure.in
@@ -52,6 +52,19 @@ fi
 
 file=$TCL_BIN_DIR/tclConfig.sh
 . $file
+
+# Set the default compiler switches based on the --enable-symbols option
+
+AC_ARG_ENABLE(symbols, [  --enable-symbols        build with debugging symbols],
+    [tcl_ok=$enableval], [tcl_ok=no])
+if test "$tcl_ok" = "yes"; then
+    CFLAGS_DEFAULT=CFLAGS_DEBUG
+    DBGX=g
+else
+    CFLAGS_DEFAULT=CFLAGS_OPTIMIZE
+    DBGX=""
+fi
+
 SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS
 SHLIB_LD=$TCL_SHLIB_LD
 SHLIB_LD_LIBS=$TCL_SHLIB_LD_LIBS
@@ -59,6 +72,8 @@ SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX
 SHLIB_VERSION=$TCL_SHLIB_VERSION
 DL_LIBS=$TCL_DL_LIBS
 LD_FLAGS=$TCL_LD_FLAGS
+CFLAGS_DEBUG=$TCL_CFLAGS_DEBUG
+CFLAGS_OPTIMIZE=$TCL_CFLAGS_OPTIMIZE
 
 LIB_RUNTIME_DIR='${LIB_RUNTIME_DIR}'
 
@@ -376,6 +391,15 @@ else
     TK_LIB_SPEC="-L${exec_prefix}/lib -ltk`echo ${VERSION} | tr -d .`"
 fi
 
+echo CFLAGS_DEBUG=$CFLAGS_DEBUG
+echo CFLAGS_DEFAULT=$CFLAGS_DEFAULT
+echo CFLAGS_OPTIMIZE=$CFLAGS_OPTIMIZE
+echo DBGX=$DBGX
+
+AC_SUBST(CFLAGS_DEBUG)
+AC_SUBST(CFLAGS_DEFAULT)
+AC_SUBST(CFLAGS_OPTIMIZE)
+AC_SUBST(DBGX)
 AC_SUBST(DL_LIBS)
 AC_SUBST(LD_FLAGS)
 AC_SUBST(MATH_LIBS)
-- 
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