diff options
Diffstat (limited to 'Makerules')
| -rw-r--r-- | Makerules | 63 |
1 files changed, 63 insertions, 0 deletions
@@ -1324,6 +1324,69 @@ ifndef no_deps -include $(stdio_lim:h=d) endif common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st + +ifeq (yes,$(build-shared)) +# Generate the header containing the names of all shared libraries. +# We use a stamp file to avoid unnecessary recompilations. +before-compile += $(common-objpfx)gnu/lib-names.h +ifeq ($(soversions.mk-done),t) +ifndef abi-variants +lib-names-h-abi = gnu/lib-names.h +lib-names-stmp-abi = gnu/lib-names.stmp +else +lib-names-h-abi = gnu/lib-names-$(default-abi).h +lib-names-stmp-abi = gnu/lib-names-$(default-abi).stmp +before-compile += $(common-objpfx)$(lib-names-h-abi) +common-generated += gnu/lib-names.h +install-others-nosubdir: $(inst_includedir)/$(lib-names-h-abi) +$(common-objpfx)gnu/lib-names.h: + $(make-target-directory) + { \ + echo '/* This file is automatically generated.';\ + echo ' It defines macros to allow user program to find the shared'; \ + echo ' library files which come as part of GNU libc. */'; \ + echo '#ifndef __GNU_LIB_NAMES_H'; \ + echo '#define __GNU_LIB_NAMES_H 1'; \ + echo ''; \ + $(if $(abi-includes), \ + $(foreach h,$(abi-includes), echo '#include <$(h)>';) \ + echo '';) \ + $(foreach v,$(abi-variants),\ + $(if $(abi-$(v)-condition),\ + echo '#if $(abi-$(v)-condition)'; \ + echo '# include <gnu/lib-names-$(v).h>'); \ + $(if $(abi-$(v)-condition),echo '#endif';)) \ + echo ''; \ + echo '#endif /* gnu/lib-names.h */'; \ + } > $@ +endif +$(common-objpfx)$(lib-names-h-abi): $(common-objpfx)$(lib-names-stmp-abi); @: +$(common-objpfx)$(lib-names-stmp-abi): $(..)scripts/lib-names.awk \ + $(common-objpfx)soversions.i + $(make-target-directory) + { \ + $(if $(abi-variants), \ + echo '/* This file is automatically generated. */';\ + echo '#ifndef __GNU_LIB_NAMES_H'; \ + echo '# error "Never use <$(lib-names-h-abi)> directly; include <gnu/lib-names.h> instead."'; \ + echo '#endif';, \ + echo '/* This file is automatically generated.';\ + echo ' It defines macros to allow user program to find the shared'; \ + echo ' library files which come as part of GNU libc. */'; \ + echo '#ifndef __GNU_LIB_NAMES_H'; \ + echo '#define __GNU_LIB_NAMES_H 1';) \ + echo ''; \ + ($(foreach s,$(all-sonames), echo $(s);)) \ + | LC_ALL=C $(AWK) -f $(firstword $^) | LC_ALL=C sort; \ + $(if $(abi-variants),, \ + echo ''; \ + echo '#endif /* gnu/lib-names.h */';) \ + } > ${@:stmp=T} + $(move-if-change) ${@:stmp=T} ${@:stmp=h} + touch $@ +endif +common-generated += $(lib-names-h-abi) $(lib-names-stmp-abi) +endif FORCE: |