Enable -Werror by default

[deliverable/binutils-gdb.git] / gprof / configure.in

diff --git a/gprof/configure.in b/gprof/configure.in
index a8bde472daf8d16556055c43a454945f1a3c2cf7..de9d79128e232075539018bb713b9926ffdb591b 100644 (file)
--- a/gprof/configure.in
+++ b/gprof/configure.in
@@ -1,8 +1,9 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.13)
-AC_INIT(gprof.c)
+AC_PREREQ(2.59)
+AC_INIT
+AC_CONFIG_SRCDIR([gprof.c])
 
-AC_CANONICAL_SYSTEM
+AC_CANONICAL_TARGET([])
 AC_ISC_POSIX
 
 changequote(,)dnl
@@ -16,20 +17,38 @@ dnl For simplicity, we use the BFD configuration file for most
 dnl things.  However, we also need our own configuration file for
 dnl the automake PACKAGE and VERSION macros.  We don't name it
 dnl config.h, to avoid any possible confusion with the bfd config.h.
-AM_CONFIG_HEADER(gconfig.h:gconfig.in)
+AC_CONFIG_HEADERS([gconfig.h:gconfig.in])
 
 AC_PROG_CC
 AC_PROG_INSTALL
 
 AC_CHECK_FUNCS(setmode)
 
-ALL_LINGUAS=
+ALL_LINGUAS="fr tr sv es id da pt_BR de vi"
 CY_GNU_GETTEXT
 
 AM_MAINTAINER_MODE
 AC_EXEEXT
 
-build_warnings="-W -Wall"
+AC_CHECK_HEADERS(sys/gmon_out.h)
+
+build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+AC_ARG_ENABLE(error-on-warning,
+  [  --enable-error-on-warning    treat compile warnings as errors],
+  [case "${enableval}" in
+     yes | y) ERROR_ON_WARNING="yes" ;;
+     no | n)  ERROR_ON_WARNING="no" ;;
+     *) AC_MSG_ERROR(bad value ${enableval} for --enable-error-on-warning) ;;
+   esac])
+
+# Enable -Werror by default, suppressing it only for --disable-error-on-warning
+# or --disable-build-warnings.
+if test "${ERROR_ON_WARNING}" != no
+then
+  build_warnings="$build_warnings -Werror"
+fi
+                  
 AC_ARG_ENABLE(build-warnings,
 [  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
 [case "${enableval}" in
@@ -50,5 +69,6 @@ if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
 fi
 AC_SUBST(WARN_CFLAGS)
 
-AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
-[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])
+AC_CONFIG_FILES([Makefile po/Makefile.in:po/Make-in])
+AC_CONFIG_COMMANDS([default],[[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile]],[[]])
+AC_OUTPUT