diff options
Diffstat (limited to 'package/libcoap/0001-configure-only-add-Wunused-result-if-supported-by-th.patch')
-rw-r--r-- | package/libcoap/0001-configure-only-add-Wunused-result-if-supported-by-th.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/package/libcoap/0001-configure-only-add-Wunused-result-if-supported-by-th.patch b/package/libcoap/0001-configure-only-add-Wunused-result-if-supported-by-th.patch new file mode 100644 index 0000000000..bc93890450 --- /dev/null +++ b/package/libcoap/0001-configure-only-add-Wunused-result-if-supported-by-th.patch @@ -0,0 +1,38 @@ +From d5914ecbb0285aea1eb2b9432d6e91155877fd95 Mon Sep 17 00:00:00 2001 +From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> +Date: Thu, 9 Jun 2016 21:53:59 +0200 +Subject: [PATCH] configure: only add -Wunused-result if supported by the + compiler + +Old gcc versions such as 4.3.x do not support -Wunused-result, so +instead of unconditionally using this warning, only use it if supported +by the compiler. + +Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> +--- +Submitted upstream: https://github.com/obgm/libcoap/pull/32 + + configure.ac | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/configure.ac b/configure.ac +index f4452ac..6354fcf 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -110,12 +110,12 @@ WARNING_CFLAGS="\ + -Wswitch-default \ + -Wswitch-enum \ + -Wunused \ +--Wunused-result \ + " + + # check whether or not the compiler supports -Wlogical-op (clang does not...) + AX_CHECK_COMPILE_FLAG([-Wlogical-op], [WARNING_CFLAGS="$WARNING_CFLAGS -Wlogical-op"],,[-Werror]) + AX_CHECK_COMPILE_FLAG([-fdiagnostics-color], [CFLAGS="$CFLAGS -fdiagnostics-color"],,[-Werror]) ++AX_CHECK_COMPILE_FLAG([-Wunused-result], [WARNING_CFLAGS="$WARNING_CFLAGS -Wunused-result"]) + + AC_SUBST([WARNING_CFLAGS]) + +-- +2.7.4 + |