[PATCH 19.11 20.11 v2] pmdinfogen: fix compilation with Clang 3.4.2 on CentOS 7

[luca.boccassi@gmail.com]

From: Luca Boccassi <bluca@debian.org>

$ meson --werror --buildtype=debugoptimized build && ninja-build -C build
[..]
[5/2516] Compiling C object buildtools/pmdinfogen/pmdinfogen.p/pmdinfogen.c.o
FAILED: buildtools/pmdinfogen/pmdinfogen.p/pmdinfogen.c.o
clang -Ibuildtools/pmdinfogen/pmdinfogen.p -Ibuildtools/pmdinfogen -I../../root/dpdk/buildtools/pmdinfogen -I. -I../../root/dpdk -Iconfig -I../../root/dpdk/config -Ilib/librte_eal/include -I../../root/dpdk/lib/librte_eal/include -Ilib/librte_eal/linux/include -I../../root/dpdk/lib/librte_eal/linux/include -Ilib/librte_eal/x86/include -I../../root/dpdk/lib/librte_eal/x86/include -Ilib/librte_pci -I../../root/dpdk/lib/librte_pci -Xclang -fcolor-diagnostics -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -Werror -O2 -g -MD -MQ buildtools/pmdinfogen/pmdinfogen.p/pmdinfogen.c.o -MF buildtools/pmdinfogen/pmdinfogen.p/pmdinfogen.c.o.d -o buildtools/pmdinfogen/pmdinfogen.p/pmdinfogen.c.o -c ../../root/dpdk/buildtools/pmdinfogen/pmdinfogen.c
../../root/dpdk/buildtools/pmdinfogen/pmdinfogen.c:431:27: error: missing field 'hdr' initializer [-Werror,-Wmissing-field-initializers]
        struct elf_info info = {0};
                                 ^
1 error generated.
[..]

Use memset instead.

Bugzilla ID: 984

Fixes: 0decf84217f1 ("buildtools: zero elf info variable in pmdinfogen")

Signed-off-by: Luca Boccassi <bluca@debian.org>
Reviewed-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
---
structured init broke old gcc 4, switch to memset

 buildtools/pmdinfogen/pmdinfogen.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/buildtools/pmdinfogen/pmdinfogen.c b/buildtools/pmdinfogen/pmdinfogen.c
index a68d1ea999..f7133267be 100644
--- a/buildtools/pmdinfogen/pmdinfogen.c
+++ b/buildtools/pmdinfogen/pmdinfogen.c
@@ -428,7 +428,7 @@ static void output_pmd_info_string(struct elf_info *info, char *outfile)
 
 int main(int argc, char **argv)
 {
-	struct elf_info info = {0};
+	struct elf_info info;
 	int rc = 1;
 
 	if (argc < 3) {
@@ -437,6 +437,7 @@ int main(int argc, char **argv)
 			basename(argv[0]));
 		exit(127);
 	}
+	memset(&info, 0, sizeof(struct elf_info));
 	use_stdin = !strcmp(argv[1], "-");
 	use_stdout = !strcmp(argv[2], "-");
 	parse_elf(&info, argv[1]);
-- 
2.34.1