Revert "Revert "libtests/math*: Avoid generated files""

This reverts commit 87c8d8aba6.

testsuites/libtests/math/Makefile.am

@@ -1,12 +1,5 @@
 rtems_tests_PROGRAMS = math
 math_SOURCES = init.c domath.c
-EXTRA_DIST = $(srcdir)/../math/domath.in
-
-$(srcdir)/domath.c: $(srcdir)/../math/domath.in
-	sed -e 's,[@]FTYPE[@],double,' \
-	-e 's,[@]FSUFFIX[@], ,g' \
-	-e 's,[@]FGUARD[@],NO_DOUBLE,' \
-	$(srcdir)/../math/domath.in > $(srcdir)/domath.c
 
 dist_rtems_tests_DATA = math.scn
 
@@ -14,6 +7,7 @@ include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
 include $(top_srcdir)/../automake/compile.am
 include $(top_srcdir)/../automake/leaf.am
 
+math_CPPFLAGS = $(AM_CPPFLAGS) -I$(top_srcdir)/math
 math_LDADD = -lm
 
 LINK_OBJS = $(math_OBJECTS) $(math_LDADD)

testsuites/libtests/mathf/Makefile.am

@@ -1,12 +1,5 @@
 rtems_tests_PROGRAMS = mathf
 mathf_SOURCES = init.c domathf.c
-EXTRA_DIST = $(srcdir)/../math/domath.in
-
-$(srcdir)/domathf.c: $(srcdir)/../math/domath.in
-	sed -e 's,[@]FTYPE[@],float,' \
-	-e 's,[@]FSUFFIX[@],f,g' \
-	-e 's,[@]FGUARD[@],NO_FLOAT,' \
-	$(srcdir)/../math/domath.in > $(srcdir)/domathf.c
 
 dist_rtems_tests_DATA = mathf.scn
 
@@ -14,6 +7,7 @@ include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
 include $(top_srcdir)/../automake/compile.am
 include $(top_srcdir)/../automake/leaf.am
 
+mathf_CPPFLAGS = $(AM_CPPFLAGS) -I$(top_srcdir)/math
 mathf_LDADD = -lm
 
 LINK_OBJS = $(mathf_OBJECTS) $(mathf_LDADD)

testsuites/libtests/mathl/Makefile.am

@@ -4,14 +4,7 @@ EXTRA_DIST = $(srcdir)/../math/domath.in
 
 # FIXME: Skip long double, not yet supported in newlib
 # => This test currently is a nop
-mathl_CPPFLAGS = $(AM_CPPFLAGS) -DNO_LONG_DOUBLE
-
-$(srcdir)/domathl.c: $(srcdir)/../math/domath.in
-	sed -e 's,[@]FTYPE[@],long double,' \
-	-e 's,[@]FSUFFIX[@],l,g' \
-	-e 's,%f,%Lf,g' \
-	-e 's,[@]FGUARD[@],NO_LONG_DOUBLE,' \
-	$(srcdir)/../math/domath.in > $(srcdir)/domathl.c
+mathl_CPPFLAGS = $(AM_CPPFLAGS) -I$(top_srcdir)/math -DNO_LONG_DOUBLE
 
 dist_rtems_tests_DATA = mathl.scn