[root@archpaz cinelerra-5.1]# LC_ALL=C CFLAGS="-O2 g" make -j8 rebuild_all
make -C libzmpeg3 clean
make[1]: Entering directory '/tmp/cinelerra-5.1/libzmpeg3'
rm -rf x86_64 tags
make[1]: Leaving directory '/tmp/cinelerra-5.1/libzmpeg3'
make -j14 -C libzmpeg3
make[1]: warning: -jN forced in submake: disabling jobserver mode.
make[1]: Entering directory '/tmp/cinelerra-5.1/libzmpeg3'
gcc -c `cat x86_64/c_flags`  audio/ac3.C -o x86_64/audio/ac3.o
gcc -c `cat x86_64/c_flags`  audio/dct.C -o x86_64/audio/dct.o
gcc -c `cat x86_64/c_flags`  audio/huffman.C -o x86_64/audio/huffman.o
gcc -c `cat x86_64/c_flags`  audio/layer2.C -o x86_64/audio/layer2.o
gcc -c `cat x86_64/c_flags`  audio/layer3.C -o x86_64/audio/layer3.o
gcc -c `cat x86_64/c_flags`  audio/audio.C -o x86_64/audio/audio.o
gcc -c `cat x86_64/c_flags`  audio/pcm.C -o x86_64/audio/pcm.o
gcc -c `cat x86_64/c_flags`  audio/synthesizers.C -o x86_64/audio/synthesizers.o
gcc -c `cat x86_64/c_flags`  audio/tables.C -o x86_64/audio/tables.o
gcc -c `cat x86_64/c_flags`  libzmpeg3.C -o x86_64/libzmpeg3.o
gcc -c `cat x86_64/c_flags`  atrack.C -o x86_64/atrack.o
gcc: error: g: No such file or directory
gcc: error: g: No such file or directory
gcc: error: g: No such file or directory
gcc: error: g: No such file or directory
make[1]: *** [Makefile:122: x86_64/audio/ac3.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: *** [Makefile:122: x86_64/audio/dct.o] Error 1
make[1]: *** [Makefile:122: x86_64/audio/huffman.o] Error 1
gcc: error: g: No such file or directory
make[1]: *** [Makefile:122: x86_64/audio/layer3.o] Error 1
gcc: error: g: No such file or directory
make[1]: *** [Makefile:122: x86_64/audio/pcm.o] Error 1
gcc: error: g: No such file or directory
gcc: error: g: No such file or directory
make[1]: *** [Makefile:122: x86_64/audio/layer2.o] Error 1
gcc: error: g: No such file or directory


make[1]: *** [Makefile:122: x86_64/audio/tables.o] Error 1
make[1]: *** [Makefile:122: x86_64/audio/synthesizers.o] Error 1
make[1]: *** [Makefile:122: x86_64/audio/audio.o] Error 1
gcc: error: g: No such file or directory
gcc: error: g: No such file or directory
make[1]: *** [Makefile:122: x86_64/libzmpeg3.o] Error 1
make[1]: *** [Makefile:122: x86_64/atrack.o] Error 1
make[1]: Leaving directory '/tmp/cinelerra-5.1/libzmpeg3'
make: *** [Makefile:44: rebuild_all] Error 2


[root@archpaz cinelerra]# LC_ALL=C gdb ./ci
GNU gdb (GDB) 8.2.1
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./ci...done.
(gdb) 


[root@archpaz bin]# LC_ALL=C gdb ./cin
GNU gdb (GDB) 8.2.1
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./cin...done.
(gdb)