Move regex tests to their own subdir and dont run them if regex is disabled

test/Makefile

@@ -24,6 +24,9 @@ endif
 ifneq ($(UCLIBC_HAS_FULL_RPC),y)
 	DIRS := $(filter-out rpc,$(DIRS))
 endif
+ifneq ($(UCLIBC_HAS_REGEX),y)
+	DIRS := $(filter-out regex,$(DIRS))
+endif
 DIRS := $(filter-out math,$(DIRS))
 
 

test/misc/Makefile

@@ -6,7 +6,6 @@ TESTS_DISABLED := outb tst-fnmatch bug-glob1
 include ../Test.mak
 
 CFLAGS_dirent64 := -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
-CFLAGS_tst-regex2 := -std=c99
 
 DODIFF_dirent    := 1
 DODIFF_dirent64  := 1

test/regex/Makefile

@@ -5,6 +5,8 @@ TESTS_DISABLED := testregexn
 
 include ../Test.mak
 
+CFLAGS_tst-regex2 := -std=c99
+
 CFLAGS-OMIT_testregex.c := -D_GNU_SOURCE
 CFLAGS-OMIT_testregexc.c := -D_GNU_SOURCE
 CFLAGS-OMIT_testregexf.c := -D_GNU_SOURCE