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-rw-r--r--Makeconfig46
1 files changed, 44 insertions, 2 deletions
diff --git a/Makeconfig b/Makeconfig
index 26884f82d2..3b9f62f5dc 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -423,6 +423,7 @@ endif
endif
ifndef link-libc
ifeq (yes,$(build-shared))
+ifeq ($(elf),yes)
# We need the versioned name of libc.so in the deps of $(others) et al
# so that the symlink to libc.so is created before anything tries to
# run the linked programs.
@@ -431,6 +432,13 @@ link-libc = -Wl,-rpath-link=$(rpath-link) \
$(common-objpfx)$(patsubst %,$(libtype.oS),c) $(gnulib)
# This is how to find at build-time things that will be installed there.
rpath-dirs = math elf dlfcn nss nis rt resolv crypt
+else
+ifneq (,$(findstring aix,$(config-os)))
+link-libc = $(common-objpfx)libc.so \
+ $(common-objpfx)$(patsubst %,$(libtype.oS),c) $(gnulib)
+rpath-dirs = math dlfcn nss nis rt resolv crypt
+endif
+endif
rpath-link = \
$(common-objdir):$(subst $(empty) ,:,$(patsubst ../$(subdir),.,$(rpath-dirs:%=$(common-objpfx)%)))
elfobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)elf)
@@ -441,6 +449,21 @@ link-libc = $(common-objpfx)libc.a $(otherlibs) $(gnulib) $(common-objpfx)libc.a
endif
endif
+# Differences in the linkers on the various platforms.
+ifeq ($(elf),yes)
+LDFLAGS-rpath-ORIGIN = -Wl,-rpath,'$$ORIGIN'
+LDFLAGS-soname-fname = -Wl,-soname,$(@F)
+LDFLAGS-rdynamic = -rdynamic
+LDFLAGS-Bsymbolic = -Bsymbolic
+else
+ifneq (,$(findstring aix,$(config-os)))
+LDFLAGS-rpath-ORIGIN =
+LDFLAGS-soname-fname =
+LDFLAGS-rdynamic = -Wl,-bdynamic
+LDFLAGS-Bsymbolic = -Wl,-bsymbolic
+endif
+endif
+
# Choose the default search path for the dynamic linker based on
# where we will install libraries.
ifneq ($(libdir),$(slibdir))
@@ -493,7 +516,7 @@ elf-objpfx = $(common-objpfx)elf/
# How to run a program we just linked with our library.
# The program binary is assumed to be $(word 2,$^).
built-program-file = $(dir $(word 2,$^))$(notdir $(word 2,$^))
-ifeq (yes,$(build-shared))
+ifeq (yesyes,$(build-shared)$(elf))
comma = ,
sysdep-library-path = \
$(subst $(empty) ,:,$(strip $(patsubst -Wl$(comma)-rpath-link=%, %,\
@@ -758,6 +781,13 @@ postclean-generated += soversions.mk
before-compile += $(common-objpfx)gnu/lib-names.h
ifeq ($(soversions.mk-done),t)
$(common-objpfx)gnu/lib-names.h: $(common-objpfx)gnu/lib-names.stmp; @:
+ifneq (,$(findstring aix,$(config-os)))
+$(common-objpfx)gnu/lib-names.stmp: $(..)sysdeps/unix/sysv/aix/gnu/lib-names.h
+ $(make-target-directory)
+ @rm -f ${@:stmp=T} $@
+ @cp $(..)sysdeps/unix/sysv/aix/gnu/lib-names.h $(common-objpfx)gnu
+ touch $@
+else
$(common-objpfx)gnu/lib-names.stmp: $(common-objpfx)soversions.mk
$(make-target-directory)
@rm -f ${@:stmp=T} $@
@@ -786,6 +816,7 @@ $(common-objpfx)gnu/lib-names.stmp: $(common-objpfx)soversions.mk
$(move-if-change) ${@:stmp=T} ${@:stmp=h}
touch $@
endif
+endif
common-generated += gnu/lib-names.h gnu/lib-names.stmp
@@ -815,10 +846,21 @@ else
libdl = $(common-objpfx)dlfcn/libdl.a
endif
else
-# No ELF - no libdl, at least for now.
+ifneq (,$(findstring aix,$(config-os)))
+ifeq ($(build-shared),yes)
+dlfcn = dlfcn
+libdl = $(common-objpfx)dlfcn/libdl.so$(libdl.so-version)
+else
+# No libdl without shared libs on AIX
+dlfcn =
+libdl =
+endif
+else
+# No ELF, no AIX - no libdl, at least for now.
dlfcn =
libdl =
endif
+endif
# These are the subdirectories containing the library source. The order
# is more or less arbitrary. The sorting step will take care of the