Add code coverage testing support.

[tinc] / configure.ac

diff --git a/configure.ac b/configure.ac
index 2704ede..216f271 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
+origcflags="$CFLAGS"
+
 AC_PREREQ(2.61)
 AC_INIT([tinc], m4_esyscmd_s((git describe || echo UNKNOWN) | sed 's/release-//'))
 AC_CONFIG_SRCDIR([src/tincd.c])
@@ -18,9 +20,12 @@ dnl Checks for programs.
 AC_PROG_CC_C99
 AC_PROG_CPP
 AC_PROG_INSTALL
-
 AM_PROG_CC_C_O
 
+dnl Check whether to enable code coverage testing, and if so, clear the default CFLAGS.
+AX_CODE_COVERAGE
+AS_IF([test "x$enable_code_coverage" = "xyes" -a "x$origcflags" = "x"], [CFLAGS=""])
+
 dnl Check and set OS
 
 AC_CANONICAL_HOST