[tests] Relative includes in tests to fix compilation issues on gcc/Ubuntu

test/Makefile.am

@@ -1,9 +1,9 @@
-CFLAGS_BASE = -Wfloat-equal -Wpointer-arith
+CFLAGS_BASE = -Wfloat-equal -Wpointer-arith -std=gnu99
 CFLAGS_O0 = $(CFLAGS_BASE) -O0
 CFLAGS_O1 = $(CFLAGS_BASE) -O1
 CFLAGS_O2 = $(CFLAGS_BASE) -O2
 CFLAGS_O3 = $(CFLAGS_BASE) -O3
-DEFAULT_INCLUDES = -I.. -I../src
+DEFAULT_INCLUDES = -I..
 
 CFLAGS = $(CFLAGS_BASE)
 

test/test_expand.c

@@ -4,7 +4,7 @@
 #include <stdarg.h>
 
 #include "greatest.h"
-#include "libpostal.h"
+#include "../src/libpostal.h"
 
 SUITE(libpostal_expansion_tests);
 

test/test_numex.c

@@ -4,7 +4,7 @@
 #include <stdarg.h>
 
 #include "greatest.h"
-#include "numex.h"
+#include "../src/numex.h"
 
 SUITE(libpostal_numex_tests);
 

test/test_transliterate.c

@@ -4,7 +4,7 @@
 #include <stdarg.h>
 
 #include "greatest.h"
-#include "transliterate.h"
+#include "../src/transliterate.h"
 
 SUITE(libpostal_transliteration_tests);