configure: Remove --enable-strict

Both -Wsign-compare (via -Wextra) and -Wuninitalized (via
-Wall) are enabled by default. So this does not do anything
anymore.

While here also remove rest of --enable-strict-options which
was mostly removed in commit
2104ea6243

Change-Id: I53e7b984980cb1e2b3f68e80358b61c9e1045725
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1590
Message-Id: <20260427174757.4075-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg36752.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>
(cherry picked from commit ac62337dd5)

CMakeLists.txt

@@ -112,7 +112,7 @@ if (MSVC)
         add_link_options("$<$<CONFIG:Release>:/CETCOMPAT>")
     endif()
 else ()
-    add_compile_options(-Wall -Wuninitialized)
+    add_compile_options(-Wall)
     check_and_add_compiler_flag(-Wno-stringop-truncation NoStringOpTruncation)
     check_and_add_compiler_flag(-Wstrict-prototypes StrictPrototypes)
     check_and_add_compiler_flag(-Wold-style-definition OldStyleDefinition)

configure.ac

@@ -209,13 +209,6 @@ AC_ARG_ENABLE(
 	[enable_pam_dlopen="no"]
 )
 
-AC_ARG_ENABLE(
-	[strict],
-	[AS_HELP_STRING([--enable-strict], [enable strict compiler warnings (debugging option) @<:@default=no@:>@])],
-	,
-	[enable_strict="no"]
-)
-
 AC_ARG_ENABLE(
 	[pedantic],
 	[AS_HELP_STRING([--enable-pedantic], [enable pedantic compiler warnings, will not generate a working executable (debugging option) @<:@default=no@:>@])],
@@ -230,13 +223,6 @@ AC_ARG_ENABLE(
 	[enable_werror="no"]
 )
 
-AC_ARG_ENABLE(
-	[strict-options],
-	[AS_HELP_STRING([--enable-strict-options], [enable strict options check between peers (debugging option) @<:@default=no@:>@])],
-	,
-	[enable_strict_options="no"]
-)
-
 AC_ARG_ENABLE(
 	[selinux],
 	[AS_HELP_STRING([--enable-selinux], [enable SELinux support @<:@default=no@:>@])],
@@ -1278,13 +1264,9 @@ if test "${WIN32}" = "yes"; then
 fi
 
 if test "${enable_pedantic}" = "yes"; then
-	enable_strict="yes"
 	CFLAGS="${CFLAGS} -pedantic"
 	AC_DEFINE([PEDANTIC], [1], [Enable pedantic mode])
 fi
-if test "${enable_strict}" = "yes"; then
-	CFLAGS="${CFLAGS} -Wsign-compare -Wuninitialized"
-fi
 if test "${enable_werror}" = "yes"; then
 	CFLAGS="${CFLAGS} -Werror"
 fi