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Fix "make gcc-wall" for library code

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Commit fd1677e80: "Add --enable-hardening which builds e2fsprogs with
security hardening" broken the gcc warnings mode by changing how
CFLAGS were used to build static and shared library objects.

Also shut up GCC's whining about casting the return value from
dlsym(2) to function pointers --- since due to conflicing standards,
there is no way to use dlsym() without causing gcc to whine one way or
another.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2016-05-29 17:07:17 -04:00
parent 62f9bd0e4f
commit c2ff6bac50
2 changed files with 5 additions and 4 deletions
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8
MCONFIG.in
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@ -77,9 +77,9 @@ CFLAGS = @CFLAGS@
CFLAGS_SHLIB = @CFLAGS_SHLIB@
CFLAGS_STLIB = @CFLAGS_STLIB@
CPPFLAGS = @INCLUDES@
ALL_CFLAGS = $(CPPFLAGS) $(CFLAGS) @DEFS@ $(LOCAL_CFLAGS)
ALL_CFLAGS_SHLIB = $(CPPFLAGS) $(CFLAGS_SHLIB) @DEFS@ $(LOCAL_CFLAGS)
ALL_CFLAGS_STLIB = $(CPPFLAGS) $(CFLAGS_STLIB) @DEFS@ $(LOCAL_CFLAGS)
ALL_CFLAGS = $(CPPFLAGS) $(CFLAGS) $(CFLAGS_WARN) @DEFS@ $(LOCAL_CFLAGS)
ALL_CFLAGS_SHLIB = $(CPPFLAGS) $(CFLAGS_SHLIB) $(CFLAGS_WARN) @DEFS@ $(LOCAL_CFLAGS)
ALL_CFLAGS_STLIB = $(CPPFLAGS) $(CFLAGS_STLIB) $(CFLAGS_WARN) @DEFS@ $(LOCAL_CFLAGS)
LDFLAGS = @LDFLAGS@
LDFLAGS_SHLIB = @LDFLAGS_SHLIB@
ALL_LDFLAGS = $(LDFLAGS) @LDFLAG_DYNAMIC@
@ -203,7 +203,7 @@ WFLAGS= -std=gnu99 -D_XOPEN_SOURCE=600 -D_GNU_SOURCE \
-UENABLE_NLS
gcc-wall-new:
($(MAKE) CFLAGS="$(ALL_CFLAGS) $(WFLAGS)" > /dev/null) 2>&1 | sed -f $(top_srcdir)/util/gcc-wall-cleanup
($(MAKE) CFLAGS_WARN="$(WFLAGS)" > /dev/null) 2>&1 | sed -f $(top_srcdir)/util/gcc-wall-cleanup
gcc-wall:
$(MAKE) clean > /dev/null

1
util/gcc-wall-cleanup
View File

@ -12,6 +12,7 @@
/ANSI C forbids long long integer constants/d
/traditional C rejects string concatenation/d
/integer constant is unsigned in ANSI C, signed with -traditional/d
/ISO C forbids conversion of object pointer to function pointer type/,+2d
/At top level:/d
/In file included from/d
/In function `.*':/d