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libaio: allow building on static-only configurations

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This commit adds a simple patch to the libaio build system that allows
it to be used on static-only configurations. It is probably easier to
fix this than to propagate the !BR2_STATIC_LIBS dependency.

Fixes:

  http://autobuild.buildroot.net/results/8c86402bd14a0af1b82e6e07c06531a856dd37c6/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Romain Naour <romain.naour@gmail.com>
Tested-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni 2016-08-29 22:18:37 +02:00 committed by Peter Korsgaard
parent 9d1cce411b
commit 6304578d4e
2 changed files with 60 additions and 0 deletions
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56
package/libaio/0002-src-Makefile-add-ENABLE_SHARED-boolean-to-allow-stat.patch Normal file
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@ -0,0 +1,56 @@
From 14dee5707716629b1bc8d06b93cdfe9ea1a3b813 Mon Sep 17 00:00:00 2001
From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Date: Mon, 29 Aug 2016 22:14:26 +0200
Subject: [PATCH] src/Makefile: add ENABLE_SHARED boolean to allow static-only
build
Currently, the libaio builds sytem builds a shared library
unconditionally. In some environments, this is not possible or
desirable. This commit adds a new Makefile variable, ENABLE_SHARED,
which defaults to "1" (i.e shared library enabled) and that allows to
override this behavior, and therefore to disable the build and
installation of the shared library.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
src/Makefile | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/Makefile b/src/Makefile
index eadb336..cfab240 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -8,12 +8,17 @@ SO_CFLAGS=-shared $(CFLAGS)
L_CFLAGS=$(CFLAGS)
LINK_FLAGS=
LINK_FLAGS+=$(LDFLAGS)
+ENABLE_SHARED ?= 1
soname=libaio.so.1
minor=0
micro=1
libname=$(soname).$(minor).$(micro)
-all_targets += libaio.a $(libname)
+all_targets += libaio.a
+
+ifeq ($(ENABLE_SHARED),1)
+all_targets += $(libname)
+endif
all: $(all_targets)
@@ -55,9 +60,11 @@ $(libname): $(libaio_sobjs) libaio.map
install: $(all_targets)
install -D -m 644 libaio.h $(includedir)/libaio.h
install -D -m 644 libaio.a $(libdir)/libaio.a
+ifeq ($(ENABLE_SHARED),1)
install -D -m 755 $(libname) $(libdir)/$(libname)
ln -sf $(libname) $(libdir)/$(soname)
ln -sf $(libname) $(libdir)/libaio.so
+endif
$(libaio_objs): libaio.h
--
2.7.4

4
package/libaio/libaio.mk
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@ -13,6 +13,10 @@ LIBAIO_LICENSE_FILES = COPYING
LIBAIO_CONFIGURE_OPTS = $(TARGET_CONFIGURE_OPTS)
ifeq ($(BR2_STATIC_LIBS),y)
LIBAIO_CONFIGURE_OPTS += ENABLE_SHARED=0
endif
# On PowerPC, a weird toolchain issue causes -Os builds to produce
# references to hidden symbols, so we're forcing -O2
ifeq ($(BR2_powerpc),y)