build-sys: create "compatibility libraries" section

[elogind.git] / Makefile.am

diff --git a/Makefile.am b/Makefile.am
index dcfad0353d44b4fd8376f49140ca3d8ce75459e5..769d24a90aae7e4ac3abfcdea1c44ea54fe2513c 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -4364,7 +4364,7 @@ polkitpolicy_in_files += \
 
 EXTRA_DIST += \
        src/login/logind-gperf.gperf \
-       src/login/libsystemd-login.pc.in \
+       src/compat-libs/libsystemd-login.pc.in \
        src/login/71-seat.rules.in \
        src/login/73-seat-late.rules.in \
        units/systemd-logind.service.in \
@@ -4527,24 +4527,27 @@ clean-python:
        -rm -f _daemon.la id128.la _journal.la login.la _reader.la
 
 # ------------------------------------------------------------------------------
+if ENABLE_COMPAT_LIBS
+
 define generate-fake-lib
        $(AM_V_at)$(MKDIR_P) $(dir $@)
-       $(AM_V_GEN)sed -r -n 's/^ +(sd_.*);/void new_\1(void);\n__asm__(".symver new_\1,\1@LIBSYSTEMD_209");\nstatic void (*resolve_\1(void)) (void) {\n\treturn new_\1;\n}\nvoid \1(void) __attribute__((ifunc("resolve_\1")));\n/p' <$< >$@
+       $(AM_V_GEN)sed -r -n 's/^ +(sd_.*);/void new_\1(void);\n__asm__(".symver new_\1,\1@LIBSYSTEMD_209");\nstatic void (*resolve_\1(void)) (void) {\n\treturn new_\1;\n}\nvoid \1(void) __attribute__((ifunc("resolve_\1")));\nobsolete_lib(\1,$(notdir $(basename $<)));\n/p' <$< >$@
 endef
 
 libsystemd_login_la_SOURCES = \
        libsystemd-login.c \
-       src/login/libsystemd-login.sym
+       src/compat-libs/libsystemd-login.sym
 
 libsystemd_login_la_CFLAGS = \
        $(AM_CFLAGS) \
        -fvisibility=default \
+       -imacros $(top_srcdir)/src/compat-libs/linkwarning.h \
        -fno-lto
 
 libsystemd_login_la_LDFLAGS = \
        $(AM_LDFLAGS) \
        -version-info $(LIBSYSTEMD_LOGIN_CURRENT):$(LIBSYSTEMD_LOGIN_REVISION):$(LIBSYSTEMD_LOGIN_AGE) \
-       -Wl,--version-script=$(top_srcdir)/src/login/libsystemd-login.sym
+       -Wl,--version-script=$(top_srcdir)/src/compat-libs/libsystemd-login.sym
 
 libsystemd_login_la_LIBADD = \
        libsystemd.la
@@ -4552,14 +4555,14 @@ libsystemd_login_la_LIBADD = \
 BUILT_SOURCES += \
        libsystemd-login.c
 
-libsystemd-login.c: src/login/libsystemd-login.sym
+libsystemd-login.c: src/compat-libs/libsystemd-login.sym
        $(generate-fake-lib)
 
 lib_LTLIBRARIES += \
        libsystemd-login.la
 
 pkgconfiglib_DATA += \
-       src/login/libsystemd-login.pc
+       src/compat-libs/libsystemd-login.pc
 
 # move lib from $(libdir) to $(rootlibdir) and update devel link, if needed
 libsystemd-login-install-hook:
@@ -4571,6 +4574,8 @@ libsystemd-login-uninstall-hook:
 INSTALL_EXEC_HOOKS += libsystemd-login-install-hook
 UNINSTALL_EXEC_HOOKS += libsystemd-login-uninstall-hook
 
+endif
+
 # ------------------------------------------------------------------------------
 substitutions = \
        '|rootlibexecdir=$(rootlibexecdir)|' \
@@ -5007,7 +5012,7 @@ test-libsystemd-journal-sym.c: \
        $(generate-sym-test)
 
 test-libsystemd-login-sym.c: \
-       src/login/libsystemd-login.sym \
+       src/compat-libs/libsystemd-login.sym \
        src/systemd/sd-login.h
        $(generate-sym-test)
 
@@ -5059,9 +5064,13 @@ tests += \
        test-libsystemd-daemon-sym \
        test-libsystemd-id128-sym \
        test-libsystemd-journal-sym \
-       test-libsystemd-login-sym \
        test-libudev-sym
 
+if ENABLE_COMPAT_LIBS
+tests += \
+       test-libsystemd-login-sym
+endif
+
 cppcheck:
        cppcheck --enable=all -q $(top_srcdir)