[libaacs-devel] build of v "0.6.0 release" fails `make` @ "error: implicit declaration of function 'realpath'". remove -Werror ?

[darx]

hi,

i'm building libaacs from source on linux/64.

cd /usr/local/src/libaacs
git log | head -n 5
        commit 863e0a50ed9ee7b9bf4695a74bc4d607d12a67ff
        Author: npzacs <npz...@gmail.com>
        Date:   Mon Mar 4 14:44:13 2013 +0200

            0.6.0 release

using,

gcc (SUSE Linux) 4.8.0 20130429 [gcc-4_8-branch revision 198420]

at build, configure's OK,

./bootstrap
./configure --libdir=/usr/local/lib64

but make fails,

make -j1
        ...
        /bin/sh ../libtool  --tag=CC   --mode=compile /usr/bin/gcc-4.8
        -DHAVE_CONFIG_H -I. -I..    -std=c99 -D_ISOC99_SOURCE
        -D_POSIX_C_SOURCE=200112L -I.. -Ifile -Ilibaacs 
        -I/usr/lib64/dbus-1.0/include -I/usr/lib64/glib-2.0/include
        -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls
        -Wcast-qual -Wwrite-strings -Wtype-limits -Wundef
        -Wmissing-prototypes -Wshadow
        -Werror=implicit-function-declaration -Wextra -Winline -O3
        -fomit-frame-pointer -MT mmc.lo -MD -MP -MF .deps/mmc.Tpo -c -o
        mmc.lo `test -f 'libaacs/mmc.c' || echo './'`libaacs/mmc.c
        libtool: compile:  /usr/bin/gcc-4.8 -DHAVE_CONFIG_H -I. -I..
        -std=c99 -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112L -I.. -Ifile
        -Ilibaacs -I/usr/lib64/dbus-1.0/include
        -I/usr/lib64/glib-2.0/include -Wall -Wdisabled-optimization
        -Wpointer-arith -Wredundant-decls -Wcast-qual -Wwrite-strings
        -Wtype-limits -Wundef -Wmissing-prototypes -Wshadow
        -Werror=implicit-function-declaration -Wextra -Winline -O3
        -fomit-frame-pointer -MT mmc.lo -MD -MP -MF .deps/mmc.Tpo -c
        libaacs/mmc.c  -fPIC -DPIC -o .libs/mmc.o
        libaacs/mmc.c: In function 'mmc_open':
        libaacs/mmc.c:862:5: error: implicit declaration of function
        'realpath' [-Werror=implicit-function-declaration]
             if (!file_path || !realpath(path, file_path)) {
             ^
        cc1: some warnings being treated as errors
        make[3]: *** [mmc.lo] Error 1
        make[3]: Leaving directory `/usr/local/src/libaacs/src'
        make[2]: *** [all] Error 2
        make[2]: Leaving directory `/usr/local/src/libaacs/src'
        make[1]: *** [all-recursive] Error 1
        make[1]: Leaving directory `/usr/local/src/libaacs'
        make: *** [all] Error 2

which appear to come from

        grep ^CFLAGS Makefile
                CFLAGS = -I/usr/lib64/dbus-1.0/include
                -I/usr/lib64/glib-2.0/include -Wall
                -Wdisabled-optimization -Wpointer-arith
                -Wredundant-decls -Wcast-qual -Wwrite-strings
                -Wtype-limits -Wundef -Wmissing-prototypes -Wshadow
                -Werror=implicit-function-declaration -Wextra -Winline
                -O3 -fomit-frame-pointer

That looks like a purposeful `-Werror=...`, so blindly rm'ing seems
unwise.

Bug in the code, or my build ENV?

darx
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