From: Guus Sliepen Date: Fri, 12 Jun 2020 22:40:09 +0000 (+0200) Subject: Fix warnings caused by C-only flags passed to the C++ compiler. X-Git-Url: http://git.meshlink.io/?p=meshlink;a=commitdiff_plain;h=9382f55b3f1c14c74e3bda229e277400743b11cc Fix warnings caused by C-only flags passed to the C++ compiler. --- diff --git a/configure.ac b/configure.ac index f0617f32..7dd0736a 100644 --- a/configure.ac +++ b/configure.ac @@ -54,7 +54,7 @@ if test -d /sw/lib ; then LIBS="$LIBS -L/sw/lib" fi -AX_CHECK_COMPILE_FLAG([-std=c11], [CPPFLAGS="-std=c11"]) +AX_CHECK_COMPILE_FLAG([-std=c11], [CFLAGS="-std=c11"]) dnl Compiler hardening flags dnl No -fstack-protector-all because it doesn't work on all platforms or architectures. @@ -77,7 +77,10 @@ AS_IF([test "x$enable_hardening" != "xno"], esac AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"]) AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"]) - AX_CHECK_COMPILE_FLAG([-Wextra -pedantic -Wreturn-type -Wold-style-definition -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wshadow -Wbad-function-cast -Wwrite-strings -fdiagnostics-show-option -fstrict-aliasing -Wmissing-noreturn], [CPPFLAGS="$CPPFLAGS -Wextra -pedantic -Wreturn-type -Wold-style-definition -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wshadow -Wbad-function-cast -Wwrite-strings -fdiagnostics-show-option -fstrict-aliasing -Wmissing-noreturn"]) + AX_CHECK_COMPILE_FLAG([-Wextra -pedantic -Wreturn-type -Wold-style-definition -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wshadow -Wbad-function-cast -Wwrite-strings -fdiagnostics-show-option -fstrict-aliasing -Wmissing-noreturn], [ + CPPFLAGS="$CPPFLAGS -Wextra -pedantic -Wreturn-type -Wmissing-declarations -Wredundant-decls -Wshadow -Wwrite-strings -fdiagnostics-show-option -fstrict-aliasing -Wmissing-noreturn" + CFLAGS="$CFLAGS -Wold-style-definition -Wmissing-prototypes -Wstrict-prototypes -Wbad-function-cast" + ]) ] );