89 lines
3.7 KiB
Diff
89 lines
3.7 KiB
Diff
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From a72ae88b2d68c3e772f14aed88687c676771e1c3 Mon Sep 17 00:00:00 2001
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From: Willy Tarreau <w@1wt.eu>
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Date: Wed, 13 Feb 2013 12:39:06 +0100
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Subject: BUILD: improve the makefile's support for libpcre
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Currently when cross-compiling, it's generally necessary to force
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PCREDIR which the Makefile automatically appends /include and /lib to.
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Unfortunately on most 64-bit linux distros, the lib path is instead
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/lib64, which is really annoying to fix in the makefile.
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So now we're computing PCRE_INC and PCRE_LIB from PCREDIR and using
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these ones instead. If one wants to force paths individually, it is
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possible to set them instead of setting PCREDIR. The old behaviour
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of not passing anything to the compiler when PCREDIR is forced to blank
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is conserved.
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(cherry picked from commit 39793095d7e19031504ed75aebfbb500680baaf7)
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---
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Makefile | 40 ++++++++++++++++++++++------------------
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1 files changed, 22 insertions(+), 18 deletions(-)
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diff --git a/Makefile b/Makefile
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index 7633588..8d82543 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -55,6 +55,8 @@
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# DLMALLOC_SRC : build with dlmalloc, indicate the location of dlmalloc.c.
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# DLMALLOC_THRES : should match PAGE_SIZE on every platform (default: 4096).
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# PCREDIR : force the path to libpcre.
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+# PCRE_LIB : force the lib path to libpcre (defaults to $PCREDIR/lib).
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+# PCRE_INC : force the include path to libpcre ($PCREDIR/inc)
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# IGNOREGIT : ignore GIT commit versions if set.
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# VERSION : force haproxy version reporting.
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# SUBVERS : add a sub-version (eg: platform, model, ...).
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@@ -436,30 +438,32 @@ DLMALLOC_THRES = 4096
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OPTIONS_OBJS += src/dlmalloc.o
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endif
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-ifneq ($(USE_PCRE),)
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-# PCREDIR is the directory hosting include/pcre.h and lib/libpcre.*. It is
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-# automatically detected but can be forced if required. Forcing it to an empty
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-# string will result in search only in the default paths.
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-ifeq ($(PCREDIR),)
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+ifneq ($(USE_PCRE)$(USE_STATIC_PCRE),)
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+# PCREDIR is used to automatically construct the PCRE_INC and PCRE_LIB paths,
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+# by appending /include and /lib respectively. If your system does not use the
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+# same sub-directories, simply force these variables instead of PCREDIR. It is
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+# automatically detected but can be forced if required (for cross-compiling).
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+# Forcing PCREDIR to an empty string will let the compiler use the default
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+# locations.
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+
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PCREDIR := $(shell pcre-config --prefix 2>/dev/null || echo /usr/local)
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+ifneq ($(PCREDIR),)
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+PCRE_INC := $(PCREDIR)/include
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+PCRE_LIB := $(PCREDIR)/lib
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endif
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+
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ifeq ($(USE_STATIC_PCRE),)
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-OPTIONS_CFLAGS += -DUSE_PCRE $(if $(PCREDIR),-I$(PCREDIR)/include)
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-OPTIONS_LDFLAGS += $(if $(PCREDIR),-L$(PCREDIR)/lib) -lpcreposix -lpcre
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-endif
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+# dynamic PCRE
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+OPTIONS_CFLAGS += -DUSE_PCRE $(if $(PCRE_INC),-I$(PCRE_INC))
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+OPTIONS_LDFLAGS += $(if $(PCRE_LIB),-L$(PCRE_LIB)) -lpcreposix -lpcre
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BUILD_OPTIONS += $(call ignore_implicit,USE_PCRE)
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-endif
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-
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-ifneq ($(USE_STATIC_PCRE),)
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-# PCREDIR is the directory hosting include/pcre.h and lib/libpcre.*. It is
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-# automatically detected but can be forced if required.
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-ifeq ($(PCREDIR),)
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-PCREDIR := $(shell pcre-config --prefix 2>/dev/null || echo /usr/local)
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-endif
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-OPTIONS_CFLAGS += -DUSE_PCRE $(if $(PCREDIR),-I$(PCREDIR)/include)
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-OPTIONS_LDFLAGS += $(if $(PCREDIR),-L$(PCREDIR)/lib) -Wl,-Bstatic -lpcreposix -lpcre -Wl,-Bdynamic
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+else
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+# static PCRE
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+OPTIONS_CFLAGS += -DUSE_PCRE $(if $(PCRE_INC),-I$(PCRE_INC))
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+OPTIONS_LDFLAGS += $(if $(PCRE_LIB),-L$(PCRE_LIB)) -Wl,-Bstatic -lpcreposix -lpcre -Wl,-Bdynamic
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BUILD_OPTIONS += $(call ignore_implicit,USE_STATIC_PCRE)
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endif
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+endif
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# This one can be changed to look for ebtree files in an external directory
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EBTREE_DIR := ebtree
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--
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1.7.1
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