151 lines
5.8 KiB
Diff
151 lines
5.8 KiB
Diff
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From 7be7e35d61d8d499599623502a35460d410de114 Mon Sep 17 00:00:00 2001
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From: Alexander Shpilkin <ashpilkin@gmail.com>
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Date: Thu, 26 May 2022 16:03:27 +0300
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Subject: [PATCH] Squashed commit of the following:
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commit 9aacb9d5da65a64c3845937a6f9eede329d43989
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Author: W. Felix Handte <w@felixhandte.com>
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Date: Tue Dec 8 20:46:02 2020 -0500
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Apply Same Strategy to CMake
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(cherry picked from commit a75f9ce3e924564ab358c2c1aa95b6268383ec42)
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commit e21b7ad0d98d1322ea92f99fcd1f85e2d6b6f6b7
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Author: W. Felix Handte <w@felixhandte.com>
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Date: Tue Dec 8 20:10:05 2020 -0500
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Avoid Use of Regexes in Building Package-Config File
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(cherry picked from commit b521183c74795bd9bdd9bdebe74af01cae4d3d43)
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---
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build/cmake/lib/CMakeLists.txt | 29 ++++++++++++++++++++++++----
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lib/Makefile | 35 ++++++++++++++++------------------
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lib/libzstd.pc.in | 6 +++---
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3 files changed, 44 insertions(+), 26 deletions(-)
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diff --git a/build/cmake/lib/CMakeLists.txt b/build/cmake/lib/CMakeLists.txt
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index 32ae7525..466c2c7b 100644
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--- a/build/cmake/lib/CMakeLists.txt
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+++ b/build/cmake/lib/CMakeLists.txt
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@@ -137,12 +137,33 @@ endif ()
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if (UNIX)
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# pkg-config
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set(PREFIX "${CMAKE_INSTALL_PREFIX}")
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- set(LIBDIR "${CMAKE_INSTALL_LIBDIR}")
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- set(INCLUDEDIR "${CMAKE_INSTALL_INCLUDEDIR}")
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+ set(EXEC_PREFIX "\\$$\{prefix}")
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+ set(LIBDIR "${CMAKE_INSTALL_FULL_LIBDIR}")
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+ set(INCLUDEDIR "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
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set(VERSION "${zstd_VERSION}")
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+
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+ string(LENGTH "${PREFIX}" PREFIX_LENGTH)
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+ string(SUBSTRING "${LIBDIR}" 0 ${PREFIX_LENGTH} LIBDIR_PREFIX)
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+ string(SUBSTRING "${LIBDIR}" ${PREFIX_LENGTH} -1 LIBDIR_SUFFIX)
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+ string(SUBSTRING "${INCLUDEDIR}" 0 ${PREFIX_LENGTH} INCLUDEDIR_PREFIX)
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+ string(SUBSTRING "${INCLUDEDIR}" ${PREFIX_LENGTH} -1 INCLUDEDIR_SUFFIX)
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+
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+ if ("${INCLUDEDIR_PREFIX}" STREQUAL "${PREFIX}")
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+ set(INCLUDEDIR_PREFIX "\\$$\{prefix}")
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+ endif()
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+ if ("${LIBDIR_PREFIX}" STREQUAL "${PREFIX}")
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+ set(LIBDIR_PREFIX "\\$$\{exec_prefix}")
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+ endif()
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+
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add_custom_target(libzstd.pc ALL
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- ${CMAKE_COMMAND} -DIN="${LIBRARY_DIR}/libzstd.pc.in" -DOUT="libzstd.pc"
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- -DPREFIX="${PREFIX}" -DLIBDIR="${LIBDIR}" -DINCLUDEDIR="${INCLUDEDIR}" -DVERSION="${VERSION}"
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+ ${CMAKE_COMMAND}
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+ -DIN="${LIBRARY_DIR}/libzstd.pc.in"
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+ -DOUT="libzstd.pc"
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+ -DPREFIX="${PREFIX}"
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+ -DEXEC_PREFIX="${EXEC_PREFIX}"
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+ -DINCLUDEDIR="${INCLUDEDIR_PREFIX}${INCLUDEDIR_SUFFIX}"
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+ -DLIBDIR="${LIBDIR_PREFIX}${LIBDIR_SUFFIX}"
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+ -DVERSION="${VERSION}"
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-P "${CMAKE_CURRENT_SOURCE_DIR}/pkgconfig.cmake"
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COMMENT "Creating pkg-config file")
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diff --git a/lib/Makefile b/lib/Makefile
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index 4a9ab799..2893ec21 100644
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--- a/lib/Makefile
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+++ b/lib/Makefile
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@@ -257,6 +257,8 @@ ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD Ne
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all: libzstd.pc
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+HAS_EXPLICIT_EXEC_PREFIX := $(if $(or $(EXEC_PREFIX),$(exec_prefix)),1,)
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+
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DESTDIR ?=
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# directory variables : GNU conventions prefer lowercase
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# see https://www.gnu.org/prep/standards/html_node/Makefile-Conventions.html
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@@ -270,24 +272,17 @@ LIBDIR ?= $(libdir)
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includedir ?= $(PREFIX)/include
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INCLUDEDIR ?= $(includedir)
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-PCLIBDIR ?= $(shell echo "$(LIBDIR)" | sed -n $(SED_ERE_OPT) -e "s@^$(EXEC_PREFIX)(/|$$)@@p")
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-PCINCDIR ?= $(shell echo "$(INCLUDEDIR)" | sed -n $(SED_ERE_OPT) -e "s@^$(PREFIX)(/|$$)@@p")
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+PCINCDIR := $(patsubst $(PREFIX)%,%,$(INCLUDEDIR))
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+PCLIBDIR := $(patsubst $(EXEC_PREFIX)%,%,$(LIBDIR))
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-ifeq (,$(PCLIBDIR))
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-# Additional prefix check is required, since the empty string is technically a
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-# valid PCLIBDIR
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-ifeq (,$(shell echo "$(LIBDIR)" | sed -n $(SED_ERE_OPT) -e "\\@^$(EXEC_PREFIX)(/|$$)@ p"))
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-$(error configured libdir ($(LIBDIR)) is outside of prefix ($(PREFIX)), can't generate pkg-config file)
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-endif
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-endif
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+# If we successfully stripped off a prefix, we'll add a reference to the
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+# relevant pc variable.
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+PCINCPREFIX := $(if $(findstring $(INCLUDEDIR),$(PCINCDIR)),,$${prefix})
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+PCLIBPREFIX := $(if $(findstring $(LIBDIR),$(PCLIBDIR)),,$${exec_prefix})
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-ifeq (,$(PCINCDIR))
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-# Additional prefix check is required, since the empty string is technically a
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-# valid PCINCDIR
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-ifeq (,$(shell echo "$(INCLUDEDIR)" | sed -n $(SED_ERE_OPT) -e "\\@^$(PREFIX)(/|$$)@ p"))
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-$(error configured includedir ($(INCLUDEDIR)) is outside of exec_prefix ($(EXEC_PREFIX)), can't generate pkg-config file)
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-endif
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-endif
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+# If no explicit EXEC_PREFIX was set by the caller, write it out as a reference
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+# to PREFIX, rather than as a resolved value.
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+PCEXEC_PREFIX := $(if $(HAS_EXPLICIT_EXEC_PREFIX),$(EXEC_PREFIX),$${prefix})
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ifneq (,$(filter $(shell uname),FreeBSD NetBSD DragonFly))
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PKGCONFIGDIR ?= $(PREFIX)/libdata/pkgconfig
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@@ -308,9 +303,11 @@ INSTALL_DATA ?= $(INSTALL) -m 644
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libzstd.pc:
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libzstd.pc: libzstd.pc.in
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@echo creating pkgconfig
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- $(Q)@sed $(SED_ERE_OPT) -e 's|@PREFIX@|$(PREFIX)|' \
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- -e 's|@LIBDIR@|$(PCLIBDIR)|' \
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- -e 's|@INCLUDEDIR@|$(PCINCDIR)|' \
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+ $(Q)@sed $(SED_ERE_OPT) \
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+ -e 's|@PREFIX@|$(PREFIX)|' \
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+ -e 's|@EXEC_PREFIX@|$(PCEXEC_PREFIX)|' \
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+ -e 's|@INCLUDEDIR@|$(PCINCPREFIX)$(PCINCDIR)|' \
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+ -e 's|@LIBDIR@|$(PCLIBPREFIX)$(PCLIBDIR)|' \
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-e 's|@VERSION@|$(VERSION)|' \
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$< >$@
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diff --git a/lib/libzstd.pc.in b/lib/libzstd.pc.in
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index 8ec0235a..8465c977 100644
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--- a/lib/libzstd.pc.in
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+++ b/lib/libzstd.pc.in
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@@ -3,9 +3,9 @@
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# BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
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prefix=@PREFIX@
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-exec_prefix=${prefix}
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-includedir=${prefix}/@INCLUDEDIR@
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-libdir=${exec_prefix}/@LIBDIR@
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+exec_prefix=@EXEC_PREFIX@
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+includedir=@INCLUDEDIR@
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+libdir=@LIBDIR@
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Name: zstd
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Description: fast lossless compression algorithm library
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--
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2.36.0
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