build: Add support for non-source-directory builds.

[notmuch] / lib / Makefile.local

diff --git a/lib/Makefile.local b/lib/Makefile.local
index f4b2c7b9603b383ee8ad39b14d36771f130358ea..d02a515cb7116ac84506508a39089c17412114b3 100644 (file)
--- a/lib/Makefile.local
+++ b/lib/Makefile.local
@@ -45,7 +45,7 @@ endif
 endif
 
 dir := lib
-extra_cflags += -I$(dir) -fPIC
+extra_cflags += -I$(srcdir)/$(dir) -fPIC
 
 libnotmuch_c_srcs =            \
        $(notmuch_compat_srcs)  \
@@ -85,13 +85,13 @@ install: install-$(dir)
 # but cannot be used reliably within commands, so copy its value to a
 # variable that is not reused.
 lib := $(dir)
-install-$(dir):
+install-$(dir): $(dir)/$(LIBNAME)
        mkdir -p "$(DESTDIR)$(libdir)/"
        install -m0644 "$(lib)/$(LIBNAME)" "$(DESTDIR)$(libdir)/"
        ln -sf $(LIBNAME) "$(DESTDIR)$(libdir)/$(SONAME)"
        ln -sf $(LIBNAME) "$(DESTDIR)$(libdir)/$(LINKER_NAME)"
        mkdir -p "$(DESTDIR)$(includedir)"
-       install -m0644 "$(lib)/notmuch.h" "$(DESTDIR)$(includedir)/"
+       install -m0644 "$(srcdir)/$(lib)/notmuch.h" "$(DESTDIR)$(includedir)/"
        $(LIBRARY_INSTALL_POST_COMMAND)
 
 SRCS  := $(SRCS) $(libnotmuch_c_srcs) $(libnotmuch_cxx_srcs)