diff --git a/ANNOUNCE b/ANNOUNCE
index 5da64c9d3..9b14d8cf9 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.5.29beta01 - March 1, 2017
+Libpng 1.5.29beta01 - March 22, 2017
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -26,9 +26,11 @@ Other information:
 
 Changes since the last public release (1.5.28):
 
-version 1.5.29beta01 [March 1, 2017]
+version 1.5.29beta01 [March 22, 2017]
   Suppress clang warnings about implicit sign changes in png.c
   Avoid potential overflow of shift operations in png_do_expand() (Aaron Boxer).
+  Added missing "$(CPPFLAGS)" to the compile line for c.pic.o in
+    makefile.linux and makefile.solaris-x86 (Cosmin).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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diff --git a/CHANGES b/CHANGES
index 81174c700..e4001d9e7 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4531,9 +4531,11 @@ version 1.5.28 [December 29, 2016]
   Fixed a potential null pointer dereference in png_set_text_2() (bug report
     and patch by Patrick Keshishian, CVE-2016-10087).
 
-version 1.5.29beta01 [March 1, 2017]
+version 1.5.29beta01 [March 22, 2017]
   Suppress clang warnings about implicit sign changes in png.c
   Avoid potential overflow of shift operations in png_do_expand() (Aaron Boxer).
+  Added missing "$(CPPFLAGS)" to the compile line for c.pic.o in
+    makefile.linux and makefile.solaris-x86 (Cosmin).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index 3df26d9e6..615f4e194 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -92,7 +92,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 	$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
 
 .c.pic.o:
-	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
+	$(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $*.c
 
 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
 
diff --git a/scripts/makefile.solaris-x86 b/scripts/makefile.solaris-x86
index b5742320c..1bb10e606 100644
--- a/scripts/makefile.solaris-x86
+++ b/scripts/makefile.solaris-x86
@@ -83,7 +83,7 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 	$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
 
 .c.pic.o:
-	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
+	$(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $*.c
 
 all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config