Fix typos in gtest makefile variables
diff --git a/axiom/gtest/Makefile.am b/axiom/gtest/Makefile.am
index cd65abf..04eb3d5 100644
--- a/axiom/gtest/Makefile.am
+++ b/axiom/gtest/Makefile.am
@@ -7,8 +7,8 @@
 libgtest_a_LDFLAGS = -pthread
 
 nodist_libgtest_main_a_SOURCES = $(GTEST_DIR)/src/gtest_main.cc
-libgtest_main_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
+libgtest_main_a_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
 libgtest_main_a_CXXFLAGS = -g -Wall -Wextra
-libgtest_main_LDFLAGS = -pthread
+libgtest_main_a_LDFLAGS = -pthread
 libgtest_main_a_LIBADD = libgtest.a
 
diff --git a/gtest/Makefile.am b/gtest/Makefile.am
index 79529f3..a220de4 100644
--- a/gtest/Makefile.am
+++ b/gtest/Makefile.am
@@ -9,8 +9,8 @@
 
 nodist_libgtest_main_a_SOURCES = $(GTEST_DIR)/src/gtest_main.cc
 
-libgtest_main_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
+libgtest_main_a_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
 libgtest_main_a_CXXFLAGS = -g -Wall -Wextra
-libgtest_main_LDFLAGS = -pthread
+libgtest_main_a_LDFLAGS = -pthread
 libgtest_main_a_LIBADD = libgtest.a
 
diff --git a/guththila/gtest/Makefile.am b/guththila/gtest/Makefile.am
index cd65abf..04eb3d5 100644
--- a/guththila/gtest/Makefile.am
+++ b/guththila/gtest/Makefile.am
@@ -7,8 +7,8 @@
 libgtest_a_LDFLAGS = -pthread
 
 nodist_libgtest_main_a_SOURCES = $(GTEST_DIR)/src/gtest_main.cc
-libgtest_main_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
+libgtest_main_a_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
 libgtest_main_a_CXXFLAGS = -g -Wall -Wextra
-libgtest_main_LDFLAGS = -pthread
+libgtest_main_a_LDFLAGS = -pthread
 libgtest_main_a_LIBADD = libgtest.a
 
diff --git a/neethi/gtest/Makefile.am b/neethi/gtest/Makefile.am
index cd65abf..04eb3d5 100644
--- a/neethi/gtest/Makefile.am
+++ b/neethi/gtest/Makefile.am
@@ -7,8 +7,8 @@
 libgtest_a_LDFLAGS = -pthread
 
 nodist_libgtest_main_a_SOURCES = $(GTEST_DIR)/src/gtest_main.cc
-libgtest_main_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
+libgtest_main_a_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
 libgtest_main_a_CXXFLAGS = -g -Wall -Wextra
-libgtest_main_LDFLAGS = -pthread
+libgtest_main_a_LDFLAGS = -pthread
 libgtest_main_a_LIBADD = libgtest.a
 
diff --git a/util/gtest/Makefile.am b/util/gtest/Makefile.am
index cd65abf..04eb3d5 100644
--- a/util/gtest/Makefile.am
+++ b/util/gtest/Makefile.am
@@ -7,8 +7,8 @@
 libgtest_a_LDFLAGS = -pthread
 
 nodist_libgtest_main_a_SOURCES = $(GTEST_DIR)/src/gtest_main.cc
-libgtest_main_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
+libgtest_main_a_CPPFLAGS = -I$(GTEST_DIR)/include -I$(GTEST_DIR)
 libgtest_main_a_CXXFLAGS = -g -Wall -Wextra
-libgtest_main_LDFLAGS = -pthread
+libgtest_main_a_LDFLAGS = -pthread
 libgtest_main_a_LIBADD = libgtest.a