debian/rules: Pass -I... and -D... to CPPFLAGS instead of CFLAGS.

Those are really options for the preprocessor instead of the compiler.

diff --git a/debian/rules b/debian/rules
index f535c971806aa037a117cd69da46f4587bbb5891..36abe9c72d827e38cfd568196e88cc0e1d69ec3d 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -12,13 +12,14 @@ DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
 DEB_BUILD_ARCH      ?= $(shell dpkg-architecture -qDEB_BUILD_ARCH)
 DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
 
-CFLAGS = -Wall -g -I$(CURDIR)/debian/include
+CPPFLAGS = -I$(CURDIR)/debian/include
+CFLAGS = -Wall -g
 
 # There is no way to tell lt_dlopen() to use the RTLD_GLOBAL flag which is
 # however required by the perl plugin (which would otherwise be unable to find
 # symbols defined in libperl when loading perl modules that require such
 # symbols). This is a workaround for this issue.
-CFLAGS += -DLT_LAZY_OR_NOW='RTLD_LAZY|RTLD_GLOBAL'
+CPPFLAGS += -DLT_LAZY_OR_NOW='RTLD_LAZY|RTLD_GLOBAL'
 
 ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
        CFLAGS += -O0
@@ -52,7 +53,7 @@ endif
 
 config.status: configure $(DPATCH_STAMPFN)
        dh_testdir
-       CFLAGS="$(CFLAGS)" ./configure $(confflags)
+       CPPFLAGS="$(CPPFLAGS)" CFLAGS="$(CFLAGS)" ./configure $(confflags)
 
 build: build-stamp