Keep the backslash when parsing arguments (fixes #35)

argvsplit.c

@@ -92,6 +92,8 @@ pkg_argv_split(const char *src, int *argc, char ***argv)
 					free(argv);
 					free(buf);
 					return -1;
+				} else {
+					*dst_iter++ = '\\';
 				}
 			default:
 				*dst_iter++ = *src_iter;

tests/lib1/quotes.pc

@@ -0,0 +1,10 @@
+prefix=/usr
+exec_prefix=${prefix}
+libdir=${prefix}/lib
+includedir=${prefix}/include
+
+Name: quotes
+Description: A testing pkg-config file
+Version: 1.2.3
+Libs: -L${libdir} -lfoo
+Cflags: -DQUOTED=\"bla\"

tests/run.sh.in

@@ -167,6 +167,10 @@ run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --max-version 2.0 'foo '; echo \$
 run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --cflags missing-require; echo \$?" \
 	'1'
 
+# test quoted #35
+run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --cflags quotes" \
+	"-DQUOTED=\\\"bla\\\""
+
 # 10) tests for internal getopt implementation with options at the end
 if [ "x@STRICT_MODE@" = "xno" ]; then
 	run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} foo --libs" \