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allow to override uname when cross-compiling

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When cross-compiling for example from Darwin to Linux it might be
useful to override uname output to force Linux and create Linux
libraries instead of Darwin libraries.
This commit is contained in:
Waldemar Brodkorb 2018-05-22 20:38:20 +02:00
parent 843dfd239a
commit 6a7af839b8
1 changed files with 4 additions and 3 deletions
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7
lib/Makefile
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@ -45,6 +45,7 @@ LIBVER := $(shell echo $(LIBVER_SCRIPT))
BUILD_SHARED:=yes BUILD_SHARED:=yes
BUILD_STATIC:=yes BUILD_STATIC:=yes
OS ?= $(shell uname)
CPPFLAGS+= -DXXH_NAMESPACE=LZ4_ CPPFLAGS+= -DXXH_NAMESPACE=LZ4_
CFLAGS ?= -O3 CFLAGS ?= -O3
DEBUGFLAGS:= -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \ DEBUGFLAGS:= -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
@ -58,7 +59,7 @@ SRCFILES := $(sort $(wildcard *.c))
# OS X linker doesn't support -soname, and use different extension # OS X linker doesn't support -soname, and use different extension
# see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html # see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html
ifeq ($(shell uname), Darwin) ifeq ($(OS), Darwin)
SHARED_EXT = dylib SHARED_EXT = dylib
SHARED_EXT_MAJOR = $(LIBVER_MAJOR).$(SHARED_EXT) SHARED_EXT_MAJOR = $(LIBVER_MAJOR).$(SHARED_EXT)
SHARED_EXT_VER = $(LIBVER).$(SHARED_EXT) SHARED_EXT_VER = $(LIBVER).$(SHARED_EXT)
@ -142,14 +143,14 @@ libdir ?= $(LIBDIR)
INCLUDEDIR ?= $(prefix)/include INCLUDEDIR ?= $(prefix)/include
includedir ?= $(INCLUDEDIR) includedir ?= $(INCLUDEDIR)
ifneq (,$(filter $(shell uname),OpenBSD FreeBSD NetBSD DragonFly)) ifneq (,$(filter $(OS),OpenBSD FreeBSD NetBSD DragonFly))
PKGCONFIGDIR ?= $(prefix)/libdata/pkgconfig PKGCONFIGDIR ?= $(prefix)/libdata/pkgconfig
else else
PKGCONFIGDIR ?= $(libdir)/pkgconfig PKGCONFIGDIR ?= $(libdir)/pkgconfig
endif endif
pkgconfigdir ?= $(PKGCONFIGDIR) pkgconfigdir ?= $(PKGCONFIGDIR)
ifneq (,$(filter $(shell uname),SunOS)) ifneq (,$(filter $(OS),SunOS))
INSTALL ?= ginstall INSTALL ?= ginstall
else else
INSTALL ?= install INSTALL ?= install