From 5a2886f81dbca3f2ed28eebe7d27d471da278db8 Mon Sep 17 00:00:00 2001
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From: Serhey Popovych <serhe.popovych@gmail.com>
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Date: Tue, 11 Dec 2018 05:44:20 -0500
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Subject: [PATCH] ldso: Use syslibdir and libdir as default pathes to libdirs
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In absence of /etc/ld-musl-$(ARCH).path ldso uses default path to search
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libraries /lib:/usr/local/lib:/usr/lib.
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However this path isn't relevant in case when library is put in dirs
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like lib64 or libx32.
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Adjust CFLAGS_ALL to pass syslibdir as SYSLIBDIR and libdir as LIBDIR
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preprocessor macroses to construct default ldso library search path
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in ldso/dynlink.c::SYS_PATH_DFLT.
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Upstream-Status: Pending
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Signed-off-by: Serhey Popovych <serhe.popovych@gmail.com>
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---
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Makefile | 3 ++-
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ldso/dynlink.c | 4 +++-
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2 files changed, 5 insertions(+), 2 deletions(-)
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--- a/Makefile
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+++ b/Makefile
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@@ -47,7 +47,8 @@ CFLAGS_AUTO = -Os -pipe
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CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc
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CFLAGS_ALL = $(CFLAGS_C99FSE)
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-CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I$(srcdir)/arch/$(ARCH) -I$(srcdir)/arch/generic -Iobj/src/internal -I$(srcdir)/src/include -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include
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+CFLAGS_ALL += -D_XOPEN_SOURCE=700 -DSYSLIBDIR='"$(syslibdir)"' -DLIBDIR='"$(libdir)"'
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+CFLAGS_ALL += -I$(srcdir)/arch/$(ARCH) -I$(srcdir)/arch/generic -Iobj/src/internal -I$(srcdir)/src/include -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include
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CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS_AUTO) $(CFLAGS)
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LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS)
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--- a/ldso/dynlink.c
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+++ b/ldso/dynlink.c
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@@ -29,6 +29,8 @@
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#define realloc __libc_realloc
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#define free __libc_free
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+#define SYS_PATH_DFLT SYSLIBDIR ":" LIBDIR
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+
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static void error(const char *, ...);
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#define MAXP2(a,b) (-(-(a)&-(b)))
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@@ -1094,7 +1096,7 @@ static struct dso *load_library(const ch
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sys_path = "";
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}
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}
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- if (!sys_path) sys_path = "/lib:/usr/local/lib:/usr/lib";
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+ if (!sys_path) sys_path = SYS_PATH_DFLT;
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fd = path_open(name, sys_path, buf, sizeof buf);
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}
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pathname = buf;
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