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From 57d544ff2f96a26cac07d5be00ff7b67678ae7b8 Mon Sep 17 00:00:00 2001
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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Date: Mon, 18 Dec 2017 13:08:39 +0100
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Subject: [PATCH] configure/Makefile.am: use pkg-config to discover
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libatomic_ops
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The configure script currently tests the availability of libatomic_ops
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by checking the presence of atomic_ops.h. While this is good enough as
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an availability test, it is not sufficient as on some platforms,
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libatomic_ops provides an actual shared library against which we
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should be linked to access libatomic_ops functionality.
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Therefore, we instead use PKG_CHECK_MODULES() to test the availability
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of libatomic_ops. Besides testing its availability, this also fills in
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the ATOMIC_OPS_LIBS variable with the list of libraries we need to
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link with to use libatomic_ops.
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All Mesa drivers that include xf86atomic.h have been updated to link
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against ATOMIC_OPS_LIBS.
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Of course, if we're not using libatomic_ops, ATOMIC_OPS_LIBS is empty,
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and we don't link against it.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Signed-off-by: Peter Seiderer <ps.report@gmx.net>
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[Bernd: PKG_CHECK_MODULES should not fail when libatomic_ops is missing]
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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---
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amdgpu/Makefile.am | 2 +-
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configure.ac | 2 +-
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etnaviv/Makefile.am | 3 ++-
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freedreno/Makefile.am | 3 ++-
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intel/Makefile.am | 3 ++-
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nouveau/Makefile.am | 2 +-
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omap/Makefile.am | 2 +-
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radeon/Makefile.am | 2 +-
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tegra/Makefile.am | 2 +-
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9 files changed, 12 insertions(+), 9 deletions(-)
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diff --git a/amdgpu/Makefile.am b/amdgpu/Makefile.am
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index a1b0d05c..b2bcceff 100644
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--- a/amdgpu/Makefile.am
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+++ b/amdgpu/Makefile.am
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@@ -36,7 +36,7 @@ AM_CPPFLAGS = -DAMDGPU_ASIC_ID_TABLE=\"${libdrmdatadir}/amdgpu.ids\"
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libdrm_amdgpu_la_LTLIBRARIES = libdrm_amdgpu.la
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libdrm_amdgpu_ladir = $(libdir)
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libdrm_amdgpu_la_LDFLAGS = -version-number 1:0:0 -no-undefined
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-libdrm_amdgpu_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
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+libdrm_amdgpu_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@ @ATOMIC_OPS_LIBS@
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libdrm_amdgpu_la_SOURCES = $(LIBDRM_AMDGPU_FILES)
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amdgpu_asic_id.lo: $(top_srcdir)/data/amdgpu.ids
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diff --git a/configure.ac b/configure.ac
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index 35378b33..501d0871 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -247,7 +247,7 @@ AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives, [
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]],[[]])], [drm_cv_atomic_primitives="Intel"],[])
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if test "x$drm_cv_atomic_primitives" = "xnone"; then
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- AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
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+ PKG_CHECK_MODULES(ATOMIC_OPS, [atomic_ops], drm_cv_atomic_primitives="libatomic-ops", true)
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fi
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# atomic functions defined in <atomic.h> & libc on Solaris
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diff --git a/etnaviv/Makefile.am b/etnaviv/Makefile.am
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index be96ba86..669cf14f 100644
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--- a/etnaviv/Makefile.am
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+++ b/etnaviv/Makefile.am
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@@ -12,7 +12,8 @@ libdrm_etnaviv_la_LDFLAGS = -version-number 1:0:0 -no-undefined
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libdrm_etnaviv_la_LIBADD = \
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../libdrm.la \
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@PTHREADSTUBS_LIBS@ \
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- @CLOCK_LIB@
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+ @CLOCK_LIB@ \
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+ @ATOMIC_OPS_LIBS@
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libdrm_etnaviv_la_SOURCES = $(LIBDRM_ETNAVIV_FILES)
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diff --git a/freedreno/Makefile.am b/freedreno/Makefile.am
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index cbb0d031..238407e3 100644
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--- a/freedreno/Makefile.am
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+++ b/freedreno/Makefile.am
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@@ -14,7 +14,8 @@ libdrm_freedreno_la_LDFLAGS = -version-number 1:0:0 -no-undefined
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libdrm_freedreno_la_LIBADD = \
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../libdrm.la \
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@PTHREADSTUBS_LIBS@ \
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- @CLOCK_LIB@
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+ @CLOCK_LIB@ \
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+ @ATOMIC_OPS_LIBS@
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libdrm_freedreno_la_SOURCES = $(LIBDRM_FREEDRENO_FILES)
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if HAVE_FREEDRENO_KGSL
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diff --git a/intel/Makefile.am b/intel/Makefile.am
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index c52e8c08..f3635a64 100644
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--- a/intel/Makefile.am
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+++ b/intel/Makefile.am
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@@ -38,7 +38,8 @@ libdrm_intel_la_LDFLAGS = -version-number 1:0:0 -no-undefined
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libdrm_intel_la_LIBADD = ../libdrm.la \
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@PTHREADSTUBS_LIBS@ \
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@PCIACCESS_LIBS@ \
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- @CLOCK_LIB@
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+ @CLOCK_LIB@ \
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+ @ATOMIC_OPS_LIBS@
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libdrm_intel_la_SOURCES = $(LIBDRM_INTEL_FILES)
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diff --git a/nouveau/Makefile.am b/nouveau/Makefile.am
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index 344a8445..a4e6a78b 100644
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--- a/nouveau/Makefile.am
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+++ b/nouveau/Makefile.am
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@@ -10,7 +10,7 @@ AM_CFLAGS = \
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libdrm_nouveau_la_LTLIBRARIES = libdrm_nouveau.la
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libdrm_nouveau_ladir = $(libdir)
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libdrm_nouveau_la_LDFLAGS = -version-number 2:0:0 -no-undefined
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-libdrm_nouveau_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
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+libdrm_nouveau_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@ @ATOMIC_OPS_LIBS@
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libdrm_nouveau_la_SOURCES = $(LIBDRM_NOUVEAU_FILES)
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diff --git a/omap/Makefile.am b/omap/Makefile.am
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index 599bb9de..524afee3 100644
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--- a/omap/Makefile.am
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+++ b/omap/Makefile.am
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@@ -7,7 +7,7 @@ AM_CFLAGS = \
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libdrm_omap_la_LTLIBRARIES = libdrm_omap.la
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libdrm_omap_ladir = $(libdir)
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libdrm_omap_la_LDFLAGS = -version-number 1:0:0 -no-undefined
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-libdrm_omap_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
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+libdrm_omap_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@ @ATOMIC_OPS_LIBS@
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libdrm_omap_la_SOURCES = omap_drm.c
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diff --git a/radeon/Makefile.am b/radeon/Makefile.am
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index e2415314..c27d3c75 100644
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--- a/radeon/Makefile.am
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+++ b/radeon/Makefile.am
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@@ -33,7 +33,7 @@ AM_CFLAGS = \
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libdrm_radeon_la_LTLIBRARIES = libdrm_radeon.la
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libdrm_radeon_ladir = $(libdir)
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libdrm_radeon_la_LDFLAGS = -version-number 1:0:1 -no-undefined
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-libdrm_radeon_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
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+libdrm_radeon_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@ @ATOMIC_OPS_LIBS@
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libdrm_radeon_la_SOURCES = $(LIBDRM_RADEON_FILES)
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diff --git a/tegra/Makefile.am b/tegra/Makefile.am
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index fb40be55..12abe8c4 100644
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--- a/tegra/Makefile.am
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+++ b/tegra/Makefile.am
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@@ -9,7 +9,7 @@ AM_CFLAGS = \
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libdrm_tegra_ladir = $(libdir)
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libdrm_tegra_la_LTLIBRARIES = libdrm_tegra.la
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libdrm_tegra_la_LDFLAGS = -version-number 0:0:0 -no-undefined
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-libdrm_tegra_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
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+libdrm_tegra_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@ @ATOMIC_OPS_LIBS@
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libdrm_tegra_la_SOURCES = \
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private.h \
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--
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2.14.3
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jbnadal