diff --git a/tests/binary/Makefile.Darwin b/tests/binary/Makefile.Darwin
index 8262464..a004a6e 100644
--- a/tests/binary/Makefile.Darwin
+++ b/tests/binary/Makefile.Darwin
@@ -4,6 +4,7 @@ PREFIX	= /usr/local
 DESTDIR	=
 BINDIR	= $(PREFIX)/bin
 SBINDIR	= $(PREFIX)/sbin
+EXEEXT	=
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p
diff --git a/tests/binary/Makefile.NetBSD b/tests/binary/Makefile.NetBSD
index 8262464..a004a6e 100644
--- a/tests/binary/Makefile.NetBSD
+++ b/tests/binary/Makefile.NetBSD
@@ -4,6 +4,7 @@ PREFIX	= /usr/local
 DESTDIR	=
 BINDIR	= $(PREFIX)/bin
 SBINDIR	= $(PREFIX)/sbin
+EXEEXT	=
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p
diff --git a/tests/library/Makefile.Darwin b/tests/library/Makefile.Darwin
index dd622b4..4ef646e 100644
--- a/tests/library/Makefile.Darwin
+++ b/tests/library/Makefile.Darwin
@@ -4,9 +4,11 @@ PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
 LDFLAGS	= -ldl -lintl  -ltest 
+EXEEXT	=
 AR	= ar
 RANLIB	= ranlib
 CCSHARED= $(CC) -dynamiclib
+SOEXT	= .dylib
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p
diff --git a/tests/library/Makefile.Linux b/tests/library/Makefile.Linux
index 30cda5a..f2dd4a2 100644
--- a/tests/library/Makefile.Linux
+++ b/tests/library/Makefile.Linux
@@ -4,9 +4,11 @@ PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
 LDFLAGS	= -ldl   -ltest 
+EXEEXT	=
 AR	= ar
 RANLIB	= ranlib
 CCSHARED= $(CC) -shared
+SOEXT	= .so
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p
diff --git a/tests/library/Makefile.NetBSD b/tests/library/Makefile.NetBSD
index 27998c0..154fcee 100644
--- a/tests/library/Makefile.NetBSD
+++ b/tests/library/Makefile.NetBSD
@@ -4,9 +4,11 @@ PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
 LDFLAGS	=  -lintl -lossaudio -ltest 
+EXEEXT	=
 AR	= ar
 RANLIB	= ranlib
 CCSHARED= $(CC) -shared
+SOEXT	= .so
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p
diff --git a/tests/library/Makefile.Windows b/tests/library/Makefile.Windows
index 8c3edcc..627e46b 100644
--- a/tests/library/Makefile.Windows
+++ b/tests/library/Makefile.Windows
@@ -6,6 +6,7 @@ LIBDIR	= $(PREFIX)/lib
 LDFLAGS	=  -lintl  -ltest -lws2_32
 EXEEXT	= .exe
 CCSHARED= $(CC) -shared -Wl,-no-undefined -Wl,--enable-runtime-pseudo-reloc
+SOEXT	= .dll
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p
diff --git a/tests/libtool/Makefile.Darwin b/tests/libtool/Makefile.Darwin
index 1c491ad..ef719d6 100644
--- a/tests/libtool/Makefile.Darwin
+++ b/tests/libtool/Makefile.Darwin
@@ -4,9 +4,11 @@ PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
 LDFLAGS	= -ldl -lintl  -ltest 
+EXEEXT	=
 AR	= ar
 RANLIB	= ranlib
 CCSHARED= $(CC) -dynamiclib
+SOEXT	= .dylib
 LIBTOOL	= libtool
 RM	= rm -f
 LN	= ln -f
diff --git a/tests/libtool/Makefile.Linux b/tests/libtool/Makefile.Linux
index cc1afa6..fb80081 100644
--- a/tests/libtool/Makefile.Linux
+++ b/tests/libtool/Makefile.Linux
@@ -4,9 +4,11 @@ PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
 LDFLAGS	= -ldl   -ltest 
+EXEEXT	=
 AR	= ar
 RANLIB	= ranlib
 CCSHARED= $(CC) -shared
+SOEXT	= .so
 LIBTOOL	= libtool
 RM	= rm -f
 LN	= ln -f
diff --git a/tests/libtool/Makefile.NetBSD b/tests/libtool/Makefile.NetBSD
index 8f76da1..ca7f5a8 100644
--- a/tests/libtool/Makefile.NetBSD
+++ b/tests/libtool/Makefile.NetBSD
@@ -4,9 +4,11 @@ PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
 LDFLAGS	=  -lintl -lossaudio -ltest 
+EXEEXT	=
 AR	= ar
 RANLIB	= ranlib
 CCSHARED= $(CC) -shared
+SOEXT	= .so
 LIBTOOL	= libtool
 RM	= rm -f
 LN	= ln -f
diff --git a/tests/libtool/Makefile.Windows b/tests/libtool/Makefile.Windows
index d2baa96..8b06871 100644
--- a/tests/libtool/Makefile.Windows
+++ b/tests/libtool/Makefile.Windows
@@ -6,6 +6,7 @@ LIBDIR	= $(PREFIX)/lib
 LDFLAGS	=  -lintl  -ltest -lws2_32
 EXEEXT	= .exe
 CCSHARED= $(CC) -shared -Wl,-no-undefined -Wl,--enable-runtime-pseudo-reloc
+SOEXT	= .dll
 LIBTOOL	= libtool
 RM	= rm -f
 LN	= ln -f
diff --git a/tests/object/Makefile.NetBSD b/tests/object/Makefile.NetBSD
index 6c8a2cf..56a2927 100644
--- a/tests/object/Makefile.NetBSD
+++ b/tests/object/Makefile.NetBSD
@@ -4,6 +4,7 @@ PREFIX	= /usr/local
 DESTDIR	=
 BINDIR	= $(PREFIX)/bin
 SBINDIR	= $(PREFIX)/sbin
+EXEEXT	=
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p
diff --git a/tests/plugin/Makefile.Darwin b/tests/plugin/Makefile.Darwin
index a9e53f2..50fc6ab 100644
--- a/tests/plugin/Makefile.Darwin
+++ b/tests/plugin/Makefile.Darwin
@@ -3,9 +3,11 @@ OBJDIR	=
 PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
+EXEEXT	=
 AR	= ar
 RANLIB	= ranlib
 CCSHARED= $(CC) -dynamiclib
+SOEXT	= .dylib
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p
diff --git a/tests/plugin/Makefile.NetBSD b/tests/plugin/Makefile.NetBSD
index d2b6f3c..4f9e5e0 100644
--- a/tests/plugin/Makefile.NetBSD
+++ b/tests/plugin/Makefile.NetBSD
@@ -3,9 +3,11 @@ OBJDIR	=
 PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
+EXEEXT	=
 AR	= ar
 RANLIB	= ranlib
 CCSHARED= $(CC) -shared
+SOEXT	= .so
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p