app-arch/zstd: Fix feature detection with make-4.3

Closes: https://bugs.gentoo.org/708110
Signed-off-by: Matt Turner <mattst88@gentoo.org>

2 files changed, 61 insertions, 0 deletions

diff --git a/app-arch/zstd/files/zstd-1.4.4-build-issue-More-portable-header-prefix-usage-1987.patch b/app-arch/zstd/files/zstd-1.4.4-build-issue-More-portable-header-prefix-usage-1987.patch
new file mode 100644
index 000000000000..679e0b791e33
--- /dev/null
+++ b/app-arch/zstd/files/zstd-1.4.4-build-issue-More-portable-header-prefix-usage-1987.patch
@@ -0,0 +1,60 @@
+From 06a57cf57e3c4e887cadcf688e3081154f3f6db4 Mon Sep 17 00:00:00 2001
+From: Bimba Shrestha <bimbashrestha@fb.com>
+Date: Thu, 6 Feb 2020 14:10:51 -0800
+Subject: [PATCH] [build-issue] More portable header prefix usage (#) (#1987)
+
+* make 4.3 build issue fix
+
+* Changing header name and adding comment
+---
+ programs/Makefile | 11 +++++++----
+ 1 file changed, 7 insertions(+), 4 deletions(-)
+
+diff --git a/programs/Makefile b/programs/Makefile
+index b75314a8..a9ee3cb5 100644
+--- a/programs/Makefile
++++ b/programs/Makefile
+@@ -94,9 +94,12 @@ endif
+ 
+ VOID = /dev/null
+ 
++# Make 4.3 doesn't support '\#' anymore (https://lwn.net/Articles/810071/)
++NUM_SYMBOL := \#
++
+ # thread detection
+ NO_THREAD_MSG := ==> no threads, building without multithreading support
+-HAVE_PTHREAD := $(shell printf '\#include <pthread.h>\nint main(void) { return 0; }' > have_pthread.c && $(CC) $(FLAGS) -o have_pthread$(EXT) have_pthread.c -pthread 2> $(VOID) && rm have_pthread$(EXT) && echo 1 || echo 0; rm have_pthread.c)
++HAVE_PTHREAD := $(shell printf '$(NUM_SYMBOL)include <pthread.h>\nint main(void) { return 0; }' > have_pthread.c && $(CC) $(FLAGS) -o have_pthread$(EXT) have_pthread.c -pthread 2> $(VOID) && rm have_pthread$(EXT) && echo 1 || echo 0; rm have_pthread.c)
+ HAVE_THREAD := $(shell [ "$(HAVE_PTHREAD)" -eq "1" -o -n "$(filter Windows%,$(OS))" ] && echo 1 || echo 0)
+ ifeq ($(HAVE_THREAD), 1)
+ THREAD_MSG := ==> building with threading support
+@@ -108,7 +111,7 @@ endif
+ 
+ # zlib detection
+ NO_ZLIB_MSG := ==> no zlib, building zstd without .gz support
+-HAVE_ZLIB := $(shell printf '\#include <zlib.h>\nint main(void) { return 0; }' > have_zlib.c && $(CC) $(FLAGS) -o have_zlib$(EXT) have_zlib.c -lz 2> $(VOID) && rm have_zlib$(EXT) && echo 1 || echo 0; rm have_zlib.c)
++HAVE_ZLIB := $(shell printf '$(NUM_SYMBOL)include <zlib.h>\nint main(void) { return 0; }' > have_zlib.c && $(CC) $(FLAGS) -o have_zlib$(EXT) have_zlib.c -lz 2> $(VOID) && rm have_zlib$(EXT) && echo 1 || echo 0; rm have_zlib.c)
+ ifeq ($(HAVE_ZLIB), 1)
+ ZLIB_MSG := ==> building zstd with .gz compression support
+ ZLIBCPP = -DZSTD_GZCOMPRESS -DZSTD_GZDECOMPRESS
+@@ -119,7 +122,7 @@ endif
+ 
+ # lzma detection
+ NO_LZMA_MSG := ==> no liblzma, building zstd without .xz/.lzma support
+-HAVE_LZMA := $(shell printf '\#include <lzma.h>\nint main(void) { return 0; }' > have_lzma.c && $(CC) $(FLAGS) -o have_lzma$(EXT) have_lzma.c -llzma 2> $(VOID) && rm have_lzma$(EXT) && echo 1 || echo 0; rm have_lzma.c)
++HAVE_LZMA := $(shell printf '$(NUM_SYMBOL)include <lzma.h>\nint main(void) { return 0; }' > have_lzma.c && $(CC) $(FLAGS) -o have_lzma$(EXT) have_lzma.c -llzma 2> $(VOID) && rm have_lzma$(EXT) && echo 1 || echo 0; rm have_lzma.c)
+ ifeq ($(HAVE_LZMA), 1)
+ LZMA_MSG := ==> building zstd with .xz/.lzma compression support
+ LZMACPP = -DZSTD_LZMACOMPRESS -DZSTD_LZMADECOMPRESS
+@@ -130,7 +133,7 @@ endif
+ 
+ # lz4 detection
+ NO_LZ4_MSG := ==> no liblz4, building zstd without .lz4 support
+-HAVE_LZ4 := $(shell printf '\#include <lz4frame.h>\n\#include <lz4.h>\nint main(void) { return 0; }' > have_lz4.c && $(CC) $(FLAGS) -o have_lz4$(EXT) have_lz4.c -llz4 2> $(VOID) && rm have_lz4$(EXT) && echo 1 || echo 0; rm have_lz4.c)
++HAVE_LZ4 := $(shell printf '$(NUM_SYMBOL)include <lz4frame.h>\n\#include <lz4.h>\nint main(void) { return 0; }' > have_lz4.c && $(CC) $(FLAGS) -o have_lz4$(EXT) have_lz4.c -llz4 2> $(VOID) && rm have_lz4$(EXT) && echo 1 || echo 0; rm have_lz4.c)
+ ifeq ($(HAVE_LZ4), 1)
+ LZ4_MSG := ==> building zstd with .lz4 compression support
+ LZ4CPP = -DZSTD_LZ4COMPRESS -DZSTD_LZ4DECOMPRESS
+-- 
+2.24.1
+
diff --git a/app-arch/zstd/zstd-1.4.4-r2.ebuild b/app-arch/zstd/zstd-1.4.4-r3.ebuild
index 4af98aeb8cd8..23c642f56844 100644
--- a/app-arch/zstd/zstd-1.4.4-r2.ebuild
+++ b/app-arch/zstd/zstd-1.4.4-r3.ebuild
@@ -20,6 +20,7 @@ DEPEND="${RDEPEND}"
 
 PATCHES=(
 	"${FILESDIR}/${PN}-1.4.4-pkgconfig_fix.patch" #700780
+	"${FILESDIR}/${P}-build-issue-More-portable-header-prefix-usage-1987.patch" #708110
 )
 
 src_prepare() {