[PATCH v5 6/6] mk: set -ISCDIR before -IRTE_OUT/include in CFLAGS
From: <hidden>
Date: 2017-08-10 18:24:35
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
From: Luca Boccassi <redacted> A race condition can happen during parallel builds, where a header might be installed in RTE_OUT/include before CFLAGS is recursively expanded. This causes GCC to sometimes pick the header path as SRCDIR/... and sometimes as RTE_OUT/include/... making the build unreproducible, as the full path is used for the expansion of __FILE__ and in the DWARF directory listing. Always pass -ISRCDIR first to CFLAGS so that it's deterministic. Signed-off-by: Luca Boccassi <redacted> --- lib/librte_acl/Makefile | 10 ++++++++-- lib/librte_bitratestats/Makefile | 9 ++++++++- lib/librte_cmdline/Makefile | 9 ++++++++- lib/librte_distributor/Makefile | 10 ++++++++-- lib/librte_eal/linuxapp/eal/Makefile | 8 +++++++- lib/librte_efd/Makefile | 10 ++++++++-- lib/librte_gro/Makefile | 9 ++++++++- lib/librte_hash/Makefile | 10 ++++++++-- lib/librte_ip_frag/Makefile | 10 ++++++++-- lib/librte_jobstats/Makefile | 10 ++++++++-- lib/librte_kni/Makefile | 9 ++++++++- lib/librte_kvargs/Makefile | 9 ++++++++- lib/librte_latencystats/Makefile | 9 ++++++++- lib/librte_lpm/Makefile | 10 ++++++++-- lib/librte_mbuf/Makefile | 9 ++++++++- lib/librte_mempool/Makefile | 9 ++++++++- lib/librte_metrics/Makefile | 9 ++++++++- lib/librte_net/Makefile | 9 ++++++++- lib/librte_pdump/Makefile | 10 ++++++++-- lib/librte_power/Makefile | 9 ++++++++- lib/librte_reorder/Makefile | 10 ++++++++-- lib/librte_ring/Makefile | 9 ++++++++- lib/librte_timer/Makefile | 9 ++++++++- lib/librte_vhost/Makefile | 9 ++++++++- 24 files changed, 191 insertions(+), 33 deletions(-)
diff --git a/lib/librte_acl/Makefile b/lib/librte_acl/Makefile
index 59767920a..bce78813b 100644
--- a/lib/librte_acl/Makefile
+++ b/lib/librte_acl/Makefile@@ -34,8 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_acl.a -CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_acl_version.map
diff --git a/lib/librte_bitratestats/Makefile b/lib/librte_bitratestats/Makefile
index 58a20ea09..26a3f4908 100644
--- a/lib/librte_bitratestats/Makefile
+++ b/lib/librte_bitratestats/Makefile@@ -34,7 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_bitratestats.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_bitratestats_version.map
diff --git a/lib/librte_cmdline/Makefile b/lib/librte_cmdline/Makefile
index 644f68e47..9dd75f2d2 100644
--- a/lib/librte_cmdline/Makefile
+++ b/lib/librte_cmdline/Makefile@@ -34,7 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_cmdline.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_cmdline_version.map
diff --git a/lib/librte_distributor/Makefile b/lib/librte_distributor/Makefile
index b417ee7be..a51d7c8b2 100644
--- a/lib/librte_distributor/Makefile
+++ b/lib/librte_distributor/Makefile@@ -34,8 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_distributor.a -CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_distributor_version.map
diff --git a/lib/librte_eal/linuxapp/eal/Makefile b/lib/librte_eal/linuxapp/eal/Makefile
index 90bca4d68..f5eee1c6a 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile@@ -41,7 +41,13 @@ LIBABIVER := 5 VPATH += $(RTE_SDK)/lib/librte_eal/common -CFLAGS += -I$(SRCDIR)/include +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR)/include $(CFLAGS) CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include CFLAGS += $(WERROR_FLAGS) -O3
diff --git a/lib/librte_efd/Makefile b/lib/librte_efd/Makefile
index b9277bc5d..b169e3240 100644
--- a/lib/librte_efd/Makefile
+++ b/lib/librte_efd/Makefile@@ -34,8 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_efd.a -CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_efd_version.map
diff --git a/lib/librte_gro/Makefile b/lib/librte_gro/Makefile
index 747eeec9e..367f78299 100644
--- a/lib/librte_gro/Makefile
+++ b/lib/librte_gro/Makefile@@ -34,8 +34,15 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_gro.a +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR)/include $(CFLAGS) CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) +CFLAGS += $(WERROR_FLAGS) EXPORT_MAP := rte_gro_version.map
diff --git a/lib/librte_hash/Makefile b/lib/librte_hash/Makefile
index 9cf13a045..677d494e7 100644
--- a/lib/librte_hash/Makefile
+++ b/lib/librte_hash/Makefile@@ -34,8 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_hash.a -CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_hash_version.map
diff --git a/lib/librte_ip_frag/Makefile b/lib/librte_ip_frag/Makefile
index 4e693bf8f..de45ec2d3 100644
--- a/lib/librte_ip_frag/Makefile
+++ b/lib/librte_ip_frag/Makefile@@ -34,8 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_ip_frag.a -CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_ipfrag_version.map
diff --git a/lib/librte_jobstats/Makefile b/lib/librte_jobstats/Makefile
index 561a0678c..57329b18e 100644
--- a/lib/librte_jobstats/Makefile
+++ b/lib/librte_jobstats/Makefile@@ -34,8 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_jobstats.a -CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_jobstats_version.map
diff --git a/lib/librte_kni/Makefile b/lib/librte_kni/Makefile
index 70f1ca8f6..130d6fd74 100644
--- a/lib/librte_kni/Makefile
+++ b/lib/librte_kni/Makefile@@ -34,7 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_kni.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 -fno-strict-aliasing +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 -fno-strict-aliasing EXPORT_MAP := rte_kni_version.map
diff --git a/lib/librte_kvargs/Makefile b/lib/librte_kvargs/Makefile
index 564dd3102..7c332c110 100644
--- a/lib/librte_kvargs/Makefile
+++ b/lib/librte_kvargs/Makefile@@ -36,7 +36,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_kvargs.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_kvargs_version.map
diff --git a/lib/librte_latencystats/Makefile b/lib/librte_latencystats/Makefile
index eaacbb731..46a8ecd34 100644
--- a/lib/librte_latencystats/Makefile
+++ b/lib/librte_latencystats/Makefile@@ -33,7 +33,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_latencystats.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 LDLIBS += -lm LDLIBS += -lpthread
diff --git a/lib/librte_lpm/Makefile b/lib/librte_lpm/Makefile
index 32be46b3b..6a97fdc97 100644
--- a/lib/librte_lpm/Makefile
+++ b/lib/librte_lpm/Makefile@@ -34,8 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_lpm.a -CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_lpm_version.map
diff --git a/lib/librte_mbuf/Makefile b/lib/librte_mbuf/Makefile
index 548273054..4d51191ee 100644
--- a/lib/librte_mbuf/Makefile
+++ b/lib/librte_mbuf/Makefile@@ -34,7 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_mbuf.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_mbuf_version.map
diff --git a/lib/librte_mempool/Makefile b/lib/librte_mempool/Makefile
index 7b5bdfee7..33678192f 100644
--- a/lib/librte_mempool/Makefile
+++ b/lib/librte_mempool/Makefile@@ -34,7 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_mempool.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_mempool_version.map
diff --git a/lib/librte_metrics/Makefile b/lib/librte_metrics/Makefile
index d4990e839..195bd4d56 100644
--- a/lib/librte_metrics/Makefile
+++ b/lib/librte_metrics/Makefile@@ -34,7 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_metrics.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_metrics_version.map
diff --git a/lib/librte_net/Makefile b/lib/librte_net/Makefile
index 56727c4df..a08a7dd8b 100644
--- a/lib/librte_net/Makefile
+++ b/lib/librte_net/Makefile@@ -33,7 +33,14 @@ include $(RTE_SDK)/mk/rte.vars.mk LIB = librte_net.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_net_version.map LIBABIVER := 1
diff --git a/lib/librte_pdump/Makefile b/lib/librte_pdump/Makefile
index 1c03bcbb7..8923d7499 100644
--- a/lib/librte_pdump/Makefile
+++ b/lib/librte_pdump/Makefile@@ -34,8 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_pdump.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 -CFLAGS += -D_GNU_SOURCE +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 -D_GNU_SOURCE LDLIBS += -lpthread EXPORT_MAP := rte_pdump_version.map
diff --git a/lib/librte_power/Makefile b/lib/librte_power/Makefile
index 06cd10e86..b76ad689e 100644
--- a/lib/librte_power/Makefile
+++ b/lib/librte_power/Makefile@@ -34,7 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_power.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 -fno-strict-aliasing +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 -fno-strict-aliasing EXPORT_MAP := rte_power_version.map
diff --git a/lib/librte_reorder/Makefile b/lib/librte_reorder/Makefile
index 4e44e72f0..51b5d490d 100644
--- a/lib/librte_reorder/Makefile
+++ b/lib/librte_reorder/Makefile@@ -34,8 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_reorder.a -CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_reorder_version.map
diff --git a/lib/librte_ring/Makefile b/lib/librte_ring/Makefile
index 3e2f4b873..e5248a2c1 100644
--- a/lib/librte_ring/Makefile
+++ b/lib/librte_ring/Makefile@@ -34,7 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_ring.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during paralle +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_ring_version.map
diff --git a/lib/librte_timer/Makefile b/lib/librte_timer/Makefile
index 03a15390e..0c57cc6d3 100644
--- a/lib/librte_timer/Makefile
+++ b/lib/librte_timer/Makefile@@ -34,7 +34,14 @@ include $(RTE_SDK)/mk/rte.vars.mk # library name LIB = librte_timer.a -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during parallel +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 EXPORT_MAP := rte_timer_version.map
diff --git a/lib/librte_vhost/Makefile b/lib/librte_vhost/Makefile
index 4a116fe31..ef0d86990 100644
--- a/lib/librte_vhost/Makefile
+++ b/lib/librte_vhost/Makefile@@ -38,7 +38,14 @@ EXPORT_MAP := rte_vhost_version.map LIBABIVER := 4 -CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 -D_FILE_OFFSET_BITS=64 +# Include the source dir first, so that headers paths are always picked +# from there. By including it last race conditions might happen during parallel +# builds, and headers might be already installed in RTE_OUT/include when the +# variable is recursively expanded, thus causing GCC to sometimes use the +# SRCDIR path and sometimes the RTE_OUT/include, making the builds not +# reproducible. +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += $(WERROR_FLAGS) -O3 -D_FILE_OFFSET_BITS=64 CFLAGS += -I vhost_user LDLIBS += -lpthread
--
2.11.0