diff --git a/builder/Makefile.am b/builder/Makefile.am
index f64750c7f..dc68e9d03 100644
--- a/builder/Makefile.am
+++ b/builder/Makefile.am
@@ -206,7 +206,7 @@ OCAMLCLIBS = \
 	$(LIBINTL) \
 	-lgnu
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/common/mlaugeas/Makefile.am b/common/mlaugeas/Makefile.am
index 8aa15b80e..2c1a6e0fd 100644
--- a/common/mlaugeas/Makefile.am
+++ b/common/mlaugeas/Makefile.am
@@ -61,7 +61,7 @@ BOBJECTS = $(SOURCES_ML:.ml=.cmo)
 XOBJECTS = $(BOBJECTS:.cmo=.cmx)
 
 OCAMLPACKAGES =
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/common/mlgettext/Makefile.am b/common/mlgettext/Makefile.am
index cdcea33ec..b918f90c3 100644
--- a/common/mlgettext/Makefile.am
+++ b/common/mlgettext/Makefile.am
@@ -60,7 +60,7 @@ if HAVE_OCAML_PKG_GETTEXT
 OCAMLPACKAGES += -package gettext-stub
 endif
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/common/mlpcre/Makefile.am b/common/mlpcre/Makefile.am
index f9699f592..6f04256da 100644
--- a/common/mlpcre/Makefile.am
+++ b/common/mlpcre/Makefile.am
@@ -70,7 +70,7 @@ OCAMLPACKAGES = \
 	-I $(builddir)
 OCAMLPACKAGES_TESTS = $(MLPCRE_CMA)
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/common/mlprogress/Makefile.am b/common/mlprogress/Makefile.am
index be88ef2de..af006d228 100644
--- a/common/mlprogress/Makefile.am
+++ b/common/mlprogress/Makefile.am
@@ -76,7 +76,7 @@ OCAMLPACKAGES = \
 	-I $(top_builddir)/ocaml \
 	-I $(builddir)
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/common/mlstdutils/Makefile.am b/common/mlstdutils/Makefile.am
index e38230db8..75252eb46 100644
--- a/common/mlstdutils/Makefile.am
+++ b/common/mlstdutils/Makefile.am
@@ -79,7 +79,7 @@ if HAVE_OCAML_PKG_OUNIT
 OCAMLPACKAGES_TESTS += -package oUnit
 endif
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/common/mltools/Makefile.am b/common/mltools/Makefile.am
index 84afeb6d9..bb0173653 100644
--- a/common/mltools/Makefile.am
+++ b/common/mltools/Makefile.am
@@ -139,7 +139,7 @@ OCAMLCLIBS = \
 	$(LIBINTL) \
 	-lgnu
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/common/mlutils/Makefile.am b/common/mlutils/Makefile.am
index 8627e5b10..77feafa56 100644
--- a/common/mlutils/Makefile.am
+++ b/common/mlutils/Makefile.am
@@ -74,7 +74,7 @@ OCAMLPACKAGES = \
 	-I $(top_builddir)/common/mlstdutils \
 	-I $(builddir)
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/common/mlvisit/Makefile.am b/common/mlvisit/Makefile.am
index add1fe56e..7230415e7 100644
--- a/common/mlvisit/Makefile.am
+++ b/common/mlvisit/Makefile.am
@@ -80,7 +80,7 @@ OCAMLPACKAGES = \
 	-I $(builddir)
 OCAMLPACKAGES_TESTS = $(MLVISIT_CMA)
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/common/mlxml/Makefile.am b/common/mlxml/Makefile.am
index eab036b82..7f36b743a 100644
--- a/common/mlxml/Makefile.am
+++ b/common/mlxml/Makefile.am
@@ -72,7 +72,7 @@ OCAMLPACKAGES = \
 	-I $(top_builddir)/gnulib/lib/.libs \
 	-I $(builddir)
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/customize/Makefile.am b/customize/Makefile.am
index 775160abb..4db6fa9b3 100644
--- a/customize/Makefile.am
+++ b/customize/Makefile.am
@@ -173,7 +173,7 @@ OCAMLCLIBS = \
 	$(LIBINTL) \
 	-lgnu
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 virt_customize_DEPENDENCIES = \
 	$(top_srcdir)/ocaml-link.sh \
diff --git a/daemon/Makefile.am b/daemon/Makefile.am
index b50a1db54..5d1c222db 100644
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -348,7 +348,7 @@ OCAMLPACKAGES = \
 	-I $(top_builddir)/common/mlpcre/.libs \
 	-I $(top_builddir)/gnulib/lib/.libs
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/dib/Makefile.am b/dib/Makefile.am
index 316f49903..7c2ab09d6 100644
--- a/dib/Makefile.am
+++ b/dib/Makefile.am
@@ -99,7 +99,7 @@ OCAMLCLIBS = \
 	$(LIBINTL) \
 	-lgnu
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/generator/Makefile.am b/generator/Makefile.am
index d026e9558..5d75b75d8 100644
--- a/generator/Makefile.am
+++ b/generator/Makefile.am
@@ -178,7 +178,7 @@ OCAMLPACKAGES = \
 	-I . \
 	-I $(top_srcdir)/common/mlstdutils \
 	-I $(top_builddir)/common/mlstdutils
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 noinst_PROGRAM = generator
 
diff --git a/get-kernel/Makefile.am b/get-kernel/Makefile.am
index 81dfb48b4..75379e21f 100644
--- a/get-kernel/Makefile.am
+++ b/get-kernel/Makefile.am
@@ -82,7 +82,7 @@ OCAMLCLIBS = \
 	$(LIBINTL) \
 	-lgnu
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/ocaml-link.sh.in b/ocaml-link.sh.in
index fbcc07951..6819c641e 100755
--- a/ocaml-link.sh.in
+++ b/ocaml-link.sh.in
@@ -47,4 +47,4 @@ done
 exec "$@" \
      @OCAML_RUNTIME_VARIANT_PIC_OPTION@ \
      -linkpkg \
-     -cclib "${cclib}"
+     -cclib "@LDFLAGS@ $cclib"
diff --git a/ocaml/Makefile.am b/ocaml/Makefile.am
index b0f2900f2..752fc109c 100644
--- a/ocaml/Makefile.am
+++ b/ocaml/Makefile.am
@@ -37,7 +37,7 @@ CLEANFILES += t/*.annot t/*.cmi t/*.cmo t/*.cmx t/*.o t/*.a t/*.so
 
 if HAVE_OCAML
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 noinst_DATA = mlguestfs.cma META
 if HAVE_OCAMLOPT
diff --git a/resize/Makefile.am b/resize/Makefile.am
index 847fb313a..7a4367023 100644
--- a/resize/Makefile.am
+++ b/resize/Makefile.am
@@ -80,7 +80,7 @@ OCAMLCLIBS = \
 	$(LIBINTL) \
 	-lgnu
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/sparsify/Makefile.am b/sparsify/Makefile.am
index 2ab357a68..2dce5e582 100644
--- a/sparsify/Makefile.am
+++ b/sparsify/Makefile.am
@@ -88,7 +88,7 @@ OCAMLCLIBS = \
 	$(LIBINTL) \
 	-lgnu
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/sysprep/Makefile.am b/sysprep/Makefile.am
index 0cc9da80a..6ed4ac713 100644
--- a/sysprep/Makefile.am
+++ b/sysprep/Makefile.am
@@ -136,7 +136,7 @@ OCAMLCLIBS = \
 	$(LIBINTL) \
 	-lgnu
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/v2v/Makefile.am b/v2v/Makefile.am
index 036c858af..14947352b 100644
--- a/v2v/Makefile.am
+++ b/v2v/Makefile.am
@@ -211,7 +211,7 @@ OCAMLCLIBS = \
 	$(LIBINTL) \
 	-lgnu
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 if !HAVE_OCAMLOPT
 OBJECTS = $(BOBJECTS)
diff --git a/v2v/test-harness/Makefile.am b/v2v/test-harness/Makefile.am
index d69188969..22c3b8c49 100644
--- a/v2v/test-harness/Makefile.am
+++ b/v2v/test-harness/Makefile.am
@@ -47,7 +47,7 @@ OCAMLPACKAGES = \
 	-I $(top_builddir)/common/mltools \
 	-I $(top_builddir)/v2v
 
-OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR)
+OCAMLFLAGS = $(OCAML_FLAGS) $(OCAML_WARN_ERROR) -ccopt '$(CFLAGS)'
 
 BOBJECTS = \
 	$(SOURCES_ML:.ml=.cmo) \