prefer vertical lists rather than horizontal
Vertical lists, e.g., one string per line, can be version controlled
individually. This commit also removes -Wpointer-arith duplicate from
my_CFLAGS variable.
diff --git a/configure.ac b/configure.ac
index 1926d18..e883619 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,13 +6,27 @@
[http://www.example.com/abc/])
AC_CONFIG_SRCDIR([src/libabc.c])
AC_CONFIG_AUX_DIR([build-aux])
-AM_INIT_AUTOMAKE([check-news foreign 1.11 -Wall -Wno-portability silent-rules tar-pax no-dist-gzip dist-xz subdir-objects])
+AM_INIT_AUTOMAKE([
+ check-news
+ foreign
+ 1.11
+ -Wall
+ -Wno-portability
+ silent-rules
+ tar-pax
+ no-dist-gzip
+ dist-xz
+ subdir-objects
+])
AC_PROG_CC_STDC
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
AC_CONFIG_MACRO_DIR([m4])
AM_SILENT_RULES([yes])
-LT_INIT([disable-static pic-only])
+LT_INIT([
+ disable-static
+ pic-only
+])
AC_PREFIX_DEFAULT([/usr])
AC_PROG_SED
@@ -32,14 +46,24 @@
AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
])
-AC_CHECK_FUNCS([__secure_getenv secure_getenv])
+AC_CHECK_FUNCS([ \
+ __secure_getenv \
+ secure_getenv\
+])
-my_CFLAGS="-Wall \
--Wmissing-declarations -Wmissing-prototypes \
--Wnested-externs -Wpointer-arith \
--Wpointer-arith -Wsign-compare -Wchar-subscripts \
--Wstrict-prototypes -Wshadow \
--Wformat-security -Wtype-limits"
+my_CFLAGS="\
+-Wall \
+-Wchar-subscripts \
+-Wformat-security \
+-Wmissing-declarations \
+-Wmissing-prototypes \
+-Wnested-externs \
+-Wpointer-arith \
+-Wshadow \
+-Wsign-compare \
+-Wstrict-prototypes \
+-Wtype-limits \
+"
AC_SUBST([my_CFLAGS])
AC_CONFIG_HEADERS(config.h)
