$ env LANG=C gcc -v
Reading specs from /usr/local/lib/gcc/x86_64-pc-linux-gnu/4.1.2/specs
Target: x86_64-pc-linux-gnu
Configured with: ./configure --with-as=/usr/local/bin/as --with-ld=/usr/local/bin/ld --with-system-zlib --enable-__cxa_atexit
Thread model: posix
gcc version 4.1.2
$ cd src && make
depbase=`echo kwset.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT kwset.o -MD -MP -MF $depbase.Tpo -c -o kwset.o kwset.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
depbase=`echo dfa.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT dfa.o -MD -MP -MF $depbase.Tpo -c -o dfa.o dfa.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
depbase=`echo searchutils.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT searchutils.o -MD -MP -MF $depbase.Tpo -c -o searchutils.o searchutils.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
depbase=`echo dfasearch.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT dfasearch.o -MD -MP -MF $depbase.Tpo -c -o dfasearch.o dfasearch.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
depbase=`echo kwsearch.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT kwsearch.o -MD -MP -MF $depbase.Tpo -c -o kwsearch.o kwsearch.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
depbase=`echo pcresearch.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT pcresearch.o -MD -MP -MF $depbase.Tpo -c -o pcresearch.o pcresearch.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
depbase=`echo main.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT main.o -MD -MP -MF $depbase.Tpo -c -o main.o main.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
rm -f libgrep.a
ar cru libgrep.a kwset.o dfa.o searchutils.o dfasearch.o kwsearch.o pcresearch.o main.o 
ranlib libgrep.a
depbase=`echo grep.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT grep.o -MD -MP -MF $depbase.Tpo -c -o grep.o grep.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
gcc -std=gnu99 -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG   -o grep grep.o libgrep.a ../lib/libgreputils.a  ../lib/libgreputils.a   -lpcre 
depbase=`echo egrep.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT egrep.o -MD -MP -MF $depbase.Tpo -c -o egrep.o egrep.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
gcc -std=gnu99 -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG   -o egrep egrep.o libgrep.a ../lib/libgreputils.a  ../lib/libgreputils.a   
depbase=`echo fgrep.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -I../lib -I../lib  -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG -MT fgrep.o -MD -MP -MF $depbase.Tpo -c -o fgrep.o fgrep.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warning: command line option "-Wabi" is valid for C++/ObjC++ but not for C
cc1: warning: command line option "-Wdeprecated" is valid for C++/Java/ObjC++ but not for C
gcc -std=gnu99 -W -Wabi -Wall -Wattributes -Wbad-function-cast -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wdeprecated -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnonnull -Wnormalized=nfc -Wold-style-definition -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-macros -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -fdiagnostics-show-option -funit-at-a-time -Wno-missing-field-initializers -Wno-missing-field-initializers -Wno-sign-compare -Wno-pointer-sign -Wno-unused-parameter -Wno-format-nonliteral -Werror -O2 -pipe -DNDEBUG   -o fgrep fgrep.o libgrep.a ../lib/libgreputils.a  ../lib/libgreputils.a