[ptxdist] [PATCH v3 2/5] host-squashfs-tools: add support for zstd contitional

[Bruno Thomsen <bruno.thomsen@gmail.com>]

Only enable host zstd package dependency when needed,
so it doesn't build unnecessary packages.

Signed-off-by: Bruno Thomsen <bruno.thomsen@gmail.com>
---
Changes since version 2:
Moved from 0003 to 0002.
Added HOST_SQUASHFS_TOOLS_ZSTD_SUPPORT config.

Changes since version 1:
Removed all /usr/local paths changes in HOST_SQUASHFS_TOOLS_MAKE_ENV.
This looks cleaner :)

 rules/host-squashfs-tools.in   | 8 ++++++++
 rules/host-squashfs-tools.make | 6 +++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/rules/host-squashfs-tools.in b/rules/host-squashfs-tools.in
index 4ac2fa1b0..04de7d1fc 100644
--- a/rules/host-squashfs-tools.in
+++ b/rules/host-squashfs-tools.in
@@ -5,4 +5,12 @@ config HOST_SQUASHFS_TOOLS
 	select HOST_ZLIB
 	select HOST_LIBLZO
 	select HOST_XZ
+	select HOST_ZSTD	if HOST_SQUASHFS_TOOLS_ZSTD_SUPPORT
 	default y if ALLYES
+
+if HOST_SQUASHFS_TOOLS
+
+config HOST_SQUASHFS_TOOLS_ZSTD_SUPPORT
+	bool
+
+endif
diff --git a/rules/host-squashfs-tools.make b/rules/host-squashfs-tools.make
index 39a6d11e1..42b48b2c5 100644
--- a/rules/host-squashfs-tools.make
+++ b/rules/host-squashfs-tools.make
@@ -21,7 +21,11 @@ HOST_SQUASHFS_TOOLS_SUBDIR	:= squashfs-tools
 # Compile
 # ----------------------------------------------------------------------------
 
-HOST_SQUASHFS_TOOLS_MAKE_OPT := LZO_SUPPORT=1 XZ_SUPPORT=1
+HOST_SQUASHFS_TOOLS_MAKE_OPT := \
+	LZO_SUPPORT=1 \
+	XZ_SUPPORT=1 \
+	ZSTD_SUPPORT=$(call ptx/ifdef, PTXCONF_HOST_SQUASHFS_TOOLS_ZSTD_SUPPORT,1,0)
+
 HOST_SQUASHFS_TOOLS_MAKE_ENV := $(HOST_ENV) EXTRA_LDFLAGS="-L$(PTXDIST_SYSROOT_HOST)/lib/xz"
 HOST_SQUASHFS_TOOLS_MAKE_PAR := NO
 HOST_SQUASHFS_TOOLS_INSTALL_OPT = install INSTALL_DIR="$(HOST_SQUASHFS_TOOLS_PKGDIR)/sbin"
-- 
2.26.2


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