From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 30 Jan 2023 18:54:54 +0000 (+0000)
Subject: configure: Drop non-sensical CFLAGS and add more warnings
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a465e68bd8bf11f7cd41089941ad558dbda34f19;hp=9ca8914ef2c65a669aa05e37f2dbe232f54ecbf1;p=people%2Fms%2Fnetwork.git

configure: Drop non-sensical CFLAGS and add more warnings

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/configure.ac b/configure.ac
index ba5967dd..9560838b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,6 +28,8 @@ AC_INIT([network],
 
 AC_CONFIG_AUX_DIR([build-aux])
 
+AC_USE_SYSTEM_EXTENSIONS
+AC_SYS_LARGEFILE
 AC_PREFIX_DEFAULT([/usr])
 
 AM_INIT_AUTOMAKE([
@@ -65,37 +67,21 @@ AC_PROG_CC_C99
 AC_PROG_CC_C_O
 AC_PROG_GCC_TRADITIONAL
 
-AC_USE_SYSTEM_EXTENSIONS
-
 CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
-	-pipe \
 	-Wall \
-	-Wextra \
-	-Wno-inline \
-	-Wundef \
-	"-Wformat=2 -Wformat-security -Wformat-nonliteral" \
-	-Wno-unused-parameter \
-	-Wno-unused-result \
-	-fno-strict-aliasing \
-	-ffunction-sections \
-	-fdata-sections \
-	-fstack-protector-all \
-	--param=ssp-buffer-size=4])
-AC_SUBST([OUR_CFLAGS], $with_cflags)
+	-Wchar-subscripts \
+	-Wformat-security \
+	-Wmissing-declarations \
+	-Wmissing-prototypes \
+	-Wnested-externs \
+	-Wpointer-arith \
+	-Wshadow \
+	-Wsign-compare \
+	-Wstrict-prototypes \
+	-Wtype-limits \
+])
 
-AS_CASE([$CFLAGS], [*-O[[12345g\ ]]*],
-	[CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
-		-Wp,-D_FORTIFY_SOURCE=2])],
-	[AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])])
-AC_SUBST([OUR_CPPFLAGS], $with_cppflags)
-
-CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\
-	-Wl,--as-needed \
-	-Wl,--no-undefined \
-	-Wl,--gc-sections \
-	-Wl,-z,relro \
-	-Wl,-z,now])
-AC_SUBST([OUR_LDFLAGS], $with_ldflags)
+AC_SUBST([OUR_CFLAGS], $with_cflags)
 
 # ------------------------------------------------------------------------------