Ten simple rules for structuring papers

The paper introduced 10 simple rules for structuring a scientific paper.

  1. Focus on one big idea
  2. write for naive humans
  3. use context, content conclusion structure
  4. optimize logical flow
  5. abstract: compact summary of paper
  6. introduction: why paper matter
  7. result: why the conclusion is justified
  8. discussion: preempt criticism, give future impact
  9. allocate time wisely
  10. iterate the story

Source: https://journals.plos.org/ploscompbiol/article?id=10.1371%252Fjournal.pcbi.1005619

Build/Install GCC Compiler for C, C++, Fortran, Go, Ada in Ubuntu Operating System

I need to compare performance of various C,C++, Fortran,Go and ADA compiler. So I need to install or build various version of GCC compilers. Installing from apt is easier but not all versions are available from apt.

First step is to install all prerequisites

apt install -y build-essential linux-tools-common libapr1-dev
apt install libgmp3-dev apache2-dev libapr1-dev libaprutil1-dev apache2-dev libapr1-dev libaprutil1-dev 
apt install -y gcc make libhts-dev libgl1-mesa-glx libegl1-mesa libxrandr2 libxrandr2 libxss1 libxcursor1 libxcomposite1 libasound2 libxi6 libxtst6 libpcre3-dev flex gnat

Most gcc is in C/C++, so we need to install any gcc compiler

To build Ada compiler (gnat), we need other Ada compiler. Hence we install any gnat version.

Clone gcc github repository. Only need to do once. When building each gcc version, we need only to clone from this local repository.

git clone https://github.com/gcc-mirror/gcc

Some gcc versions can only be built on a specific Ubuntu version. Here is the summary result of compiling gcc in various Ubuntu versions. Old versions can only be built on Ubuntu 16.04. Modern versions can be built/compiled on Ubuntu 20.04

Summary

GCC VersionUbuntu 16.04Ubuntu 18.04Ubuntu 20.04Ubuntu 22.04.5
GCC 4.9.3 (gnat)install from apt
GCC 5.1.0build okbuild failbuild failbuild fail
GCC 5.2.0build failbuild fail
GCC 5.3.0build failbuild fail
GCC 5.4.0install from aptbuild failbuild fail
GCC 5.5.0install from aptbuild fail
GCC 6.1.0build failbuild fail
GCC 6.2.0(building)build failbuild fail
GCC 6.3.0build failbuild fail
GCC 6.4.0build failbuild fail
GCC 6.5.0apt not availableinstall from aptbuild fail
GCC 7.1.0build okbuild failbuild fail
GCC 7.2.0build okbuild fail
GCC 7.3.0build okbuild fail
GCC 7.4.0build okbuild fail
GCC 7.5.0install from aptinstall from apt
GCC 8.1.0build okbuild fail
GCC 8.2.0build okbuild fail
GCC 8.3.0build okbuild fail
GCC 8.4.0install from aptinstall from apt
GCC 8.5.0build okbuild ok
GCC 9.1.0build okbuild fail
GCC 9.2.0build okbuild fail
GCC 9.3.0(building)???
GCC 9.4.0apt not availableinstall from apt
GCC 9.5.0build ok
GCC 10.1.0build ok
GCC 10.2.0build ok
GCC 10.3.0build ok
GCC 10.4.0apt not availablebuild ok
GCC 11.1.0build okbuild ok
install fail
GCC 11.2.0build ok
GCC 11.3.0apt not availableapt
GCC 12.1.0build okok
GCC 12.2.0apt not availablebuild okok
GCC 12.3.0ok
GCC 12.4.0ok
GCC 13.1.0ok
GCC 13.2.0ok
GCC 13.3.0ok
GCC 14.1.0ok
GCC 14.2.0ok
GCC 14.3.0ok
GCC 15.1.0ok

cd ~
git clone https://github.com/gcc-mirror/gcc

GCC 5.1.0

Install gcc 5.1.0 in Ubuntu 18.04

gnatgcc version 6.5.0

gcc version 6.5.0

cd ~
mkdir gcc-5.1
cd    gcc-5.1
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-5.1.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-5.1 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-5.1 CC=gnatgcc
make
make install

Build failed with the following message:

In file included from ../../gcc/gcc/cp/except.c:1023:0:
cfns.gperf: In function ‘const char* libc_name_p(const char*, unsigned int)’:
cfns.gperf:101:1: error: ‘const char* libc_name_p(const char*, unsigned int)’ redeclared inline with ‘gnu_inline’ attribute
cfns.gperf:26:14: note: ‘const char* libc_name_p(const char*, unsigned int)’ previously declared here
cfns.gperf: At global scope:
cfns.gperf:26:14: warning: inline function ‘const char* libc_name_p(const char*, unsigned int)’ used but never defined

Discussion of the problem: https://stackoverflow.com/questions/41204632/unable-to-build-gcc-due-to-c11-errors

GCC 5.2.0

cd ~
mkdir gcc-5.2
cd    gcc-5.2
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-5.2.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-5.2 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-5.2 CC=gnatgcc
make -j 8
make install

Error

x86_64-linux-gnu-g++ -c  -DIN_GCC_FRONTEND -g -DIN_GCC    -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -Icp -I../../gcc/gcc -I../../gcc/gcc/cp -I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include -I/root/gcc-5.2/build/./gmp -I/root/gcc-5.2/gcc/gmp -I/root/gcc-5.2/build/./mpfr -I/root/gcc-5.2/gcc/mpfr -I/root/gcc-5.2/gcc/mpc/src  -I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/bid -I../libdecnumber -I../../gcc/gcc/../libbacktrace -I/root/gcc-5.2/build/./isl/include -I/root/gcc-5.2/gcc/isl/include  -o cp/except.o -MT cp/except.o -MMD -MP -MF cp/.deps/except.TPo ../../gcc/gcc/cp/except.c
In file included from ./tm.h:27:0,
                 from ../../gcc/gcc/cp/except.c:27:
../../gcc/gcc/config/elfos.h:102:21: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
    fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
                     ^
../../gcc/gcc/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",  \
                        ^
In file included from ./tm.h:48:0,
                 from ../../gcc/gcc/cp/except.c:27:
../../gcc/gcc/defaults.h:126:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",  \
                        ^
In file included from ../../gcc/gcc/cp/except.c:1023:0:
cfns.gperf: In function ‘const char* libc_name_p(const char*, unsigned int)’:
cfns.gperf:101:1: error: ‘const char* libc_name_p(const char*, unsigned int)’ redeclared inline with ‘gnu_inline’ attribute
cfns.gperf:26:14: note: ‘const char* libc_name_p(const char*, unsigned int)’ previously declared here
cfns.gperf: At global scope:
cfns.gperf:26:14: warning: inline function ‘const char* libc_name_p(const char*, unsigned int)’ used but never defined
Makefile:1065: recipe for target 'cp/except.o' failed
make[3]: *** [cp/except.o] Error 1

GCC 5.3.0

cd ~
mkdir gcc-5.3
cd    gcc-5.3
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-5.3.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-5.3 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-5.3 CC=gnatgcc
make -j 8
make install

Result: compile fail on Ubuntu 18.04

x86_64-linux-gnu-g++ -c  -DIN_GCC_FRONTEND -g -DIN_GCC    -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -Icp -I../../gcc/gcc -I../../gcc/gcc/cp -I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include -I/root/gcc-5.3/build/./gmp -I/root/gcc-5.3/gcc/gmp -I/root/gcc-5.3/build/./mpfr -I/root/gcc-5.3/gcc/mpfr -I/root/gcc-5.3/gcc/mpc/src  -I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/bid -I../libdecnumber -I../../gcc/gcc/../libbacktrace -I/root/gcc-5.3/build/./isl/include -I/root/gcc-5.3/gcc/isl/include  -o cp/except.o -MT cp/except.o -MMD -MP -MF cp/.deps/except.TPo ../../gcc/gcc/cp/except.c
In file included from ./tm.h:27:0,
                 from ../../gcc/gcc/cp/except.c:27:
../../gcc/gcc/config/elfos.h:102:21: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
    fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
                     ^
../../gcc/gcc/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",  \
                        ^
In file included from ./tm.h:48:0,
                 from ../../gcc/gcc/cp/except.c:27:
../../gcc/gcc/defaults.h:126:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",  \
                        ^
In file included from ../../gcc/gcc/cp/except.c:1023:0:
cfns.gperf: In function ‘const char* libc_name_p(const char*, unsigned int)’:
cfns.gperf:101:1: error: ‘const char* libc_name_p(const char*, unsigned int)’ redeclared inline with ‘gnu_inline’ attribute
cfns.gperf:26:14: note: ‘const char* libc_name_p(const char*, unsigned int)’ previously declared here
cfns.gperf: At global scope:
cfns.gperf:26:14: warning: inline function ‘const char* libc_name_p(const char*, unsigned int)’ used but never defined
Makefile:1065: recipe for target 'cp/except.o' failed

GCC 5.4.0

cd ~
mkdir gcc-5.4
cd    gcc-5.4
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-5.4.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-5.4 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-5.4 CC=gnatgcc
make -j 8
make install

build fail

/root/gcc-5.4/build/./gcc/xgcc -B/root/gcc-5.4/build/./gcc/ -B/usr/local/gcc-5.4/x86_64-linux-gnu/bin/ -B/usr/local/gcc-5.4/x86_64-linux-gnu/lib/ -isystem /usr/local/gcc-5.4/x86_64-linux-gnu/include -isystem /usr/local/gcc-5.4/x86_64-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include   -fpic -mlong-double-80 -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -fpic -mlong-double-80 -I. -I. -I../.././gcc -I../../../gcc/libgcc -I../../../gcc/libgcc/. -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include -I../../../gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF unwind-dw2.dep -fexceptions -c ../../../gcc/libgcc/unwind-dw2.c -fvisibility=hidden -DHIDE_EXPORTS
In file included from ../../../gcc/libgcc/unwind-dw2.c:401:0:
./md-unwind-support.h: In function ‘x86_64_fallback_frame_state’:
./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucontext’
       sc = (struct sigcontext *) (void *) &uc_->uc_mcontext;
                                               ^
../../../gcc/libgcc/shared-object.mk:14: recipe for target 'unwind-dw2.o' failed
make[3]: *** [unwind-dw2.o] Error 1

GCC 5.5.0

available on apt, no need to compile

apt install gcc-5
apt install g++-5
apt install gfortran-5
apt install gnat-5
apt install gccgo-5

GCC 6.1.0

cd
mkdir gcc-6.1
cd    gcc-6.1
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-6.1.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-6.1 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-6.1 CC=gnatgcc
make -j 8
make install

build fail

/root/gcc-6.1/build/./gcc/xgcc -B/root/gcc-6.1/build/./gcc/ -B/usr/local/gcc-6.1/x86_64-linux-gnu/bin/ -B/usr/local/gcc-6.1/x86_64-linux-gnu/lib/ -isystem /usr/local/gcc-6.1/x86_64-linux-gnu/include -isystem /usr/local/gcc-6.1/x86_64-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -I. -I. -I../.././gcc -I../../../gcc/libgcc -I../../../gcc/libgcc/. -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include -I../../../gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF unwind-dw2.dep -fexceptions -c ../../../gcc/libgcc/unwind-dw2.c -fvisibility=hidden -DHIDE_EXPORTS
In file included from ../../../gcc/libgcc/unwind-dw2.c:401:0:
./md-unwind-support.h: In function ‘x86_64_fallback_frame_state’:
./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucontext’
       sc = (struct sigcontext *) (void *) &uc_->uc_mcontext;
                                               ^~
../../../gcc/libgcc/shared-object.mk:14: recipe for target 'unwind-dw2.o' failed
make[3]: *** [unwind-dw2.o] Error 1

GCC 6.2.0

cd
mkdir gcc-6.2
cd    gcc-6.2
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-6.2.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-6.2 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-6.2 CC=gnatgcc
make -j 8
make install

build failed on Ubuntu 18.04

/root/gcc-6.2/build/./gcc/xgcc -B/root/gcc-6.2/build/./gcc/ -B/usr/local/gcc-6.2/x86_64-linux-gnu/bin/ -B/usr/local/gcc-6.2/x86_64-linux-gnu/lib/ -isystem /usr/local/gcc-6.2/x86_64-linux-gnu/include -isystem /usr/local/gcc-6.2/x86_64-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -I. -I. -I../.././gcc -I../../../gcc/libgcc -I../../../gcc/libgcc/. -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include -I../../../gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF unwind-dw2.dep -fexceptions -c ../../../gcc/libgcc/unwind-dw2.c -fvisibility=hidden -DHIDE_EXPORTS
In file included from ../../../gcc/libgcc/unwind-dw2.c:401:0:
./md-unwind-support.h: In function ‘x86_64_fallback_frame_state’:
./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucontext’
       sc = (struct sigcontext *) (void *) &uc_->uc_mcontext;
                                               ^~
../../../gcc/libgcc/shared-object.mk:14: recipe for target 'unwind-dw2.o' failed

GCC 6.3.0

cd
mkdir gcc-6.3
cd    gcc-6.3
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-6.3.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-6.3 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-6.3 CC=gnatgcc
make -j 8
make install

build fail on Ubuntu 18.04


/root/gcc-6.3/build/./gcc/xgcc -B/root/gcc-6.3/build/./gcc/ -B/usr/local/gcc-6.3/x86_64-linux-gnu/bin/ -B/usr/local/gcc-6.3/x86_64-linux-gnu/lib/ -isystem /usr/local/gcc-6.3/x86_64-linux-gnu/include -isystem /usr/local/gcc-6.3/x86_64-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -I. -I. -I../.././gcc -I../../../gcc/libgcc -I../../../gcc/libgcc/. -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include -I../../../gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF unwind-dw2.dep -fexceptions -c ../../../gcc/libgcc/unwind-dw2.c -fvisibility=hidden -DHIDE_EXPORTS
In file included from ../../../gcc/libgcc/unwind-dw2.c:401:0:
./md-unwind-support.h: In function ‘x86_64_fallback_frame_state’:
./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucontext’
       sc = (struct sigcontext *) (void *) &uc_->uc_mcontext;
                                               ^~
../../../gcc/libgcc/shared-object.mk:14: recipe for target 'unwind-dw2.o' failed
make[3]: *** [unwind-dw2.o] Error 1

GCC 6.4.0

cd
mkdir gcc-6.4
cd    gcc-6.4
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-6.4.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-6.4 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-6.4 CC=gnatgcc
make -j 8
make install

Build fail in Ubuntu 18.04

/root/gcc-6.4/build/./gcc/xgcc -B/root/gcc-6.4/build/./gcc/ -B/usr/local/gcc-6.4/x86_64-linux-gnu/bin/ -B/usr/local/gcc-6.4/x86_64-linux-gnu/lib/ -isystem /usr/local/gcc-6.4/x86_64-linux-gnu/include -isystem /usr/local/gcc-6.4/x86_64-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -I. -I. -I../.././gcc -I../../../gcc/libgcc -I../../../gcc/libgcc/. -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include -I../../../gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF unwind-dw2.dep -fexceptions -c ../../../gcc/libgcc/unwind-dw2.c -fvisibility=hidden -DHIDE_EXPORTS
In file included from ../../../gcc/libgcc/unwind-dw2.c:401:0:
./md-unwind-support.h: In function ‘x86_64_fallback_frame_state’:
./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucontext’
       sc = (struct sigcontext *) (void *) &uc_->uc_mcontext;
                                               ^~
../../../gcc/libgcc/shared-object.mk:14: recipe for target 'unwind-dw2.o' failed
make[3]: *** [unwind-dw2.o] Error 1

GCC 6.5.0

available on apt

apt install gcc-6
apt install g++-6
apt install gfortran-6
apt install gnat-6
apt install gccgo-6

GCC 7.1.0

cd
mkdir gcc-7.1
cd    gcc-7.1
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-7.1.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-7.1 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-7.1 CC=gnatgcc
make -j 8
make install

build fail


/root/gcc-7.1/build/./gcc/xgcc -B/root/gcc-7.1/build/./gcc/ -B/usr/local/gcc-7.1/x86_64-linux-gnu/bin/ -B/usr/local/gcc-7.1/x86_64-linux-gnu/lib/ -isystem /usr/local/gcc-7.1/x86_64-linux-gnu/include -isystem /usr/local/gcc-7.1/x86_64-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -fpic -mlong-double-80 -DUSE_ELF_SYMVER -I. -I. -I../.././gcc -I../../../gcc/libgcc -I../../../gcc/libgcc/. -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include -I../../../gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF unwind-dw2.dep -fexceptions -c ../../../gcc/libgcc/unwind-dw2.c -fvisibility=hidden -DHIDE_EXPORTS
In file included from ../../../gcc/libgcc/unwind-dw2.c:403:0:
./md-unwind-support.h: In function ‘x86_64_fallback_frame_state’:
./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucontext’
       sc = (struct sigcontext *) (void *) &uc_->uc_mcontext;
                                               ^~
../../../gcc/libgcc/shared-object.mk:14: recipe for target 'unwind-dw2.o' failed
make[3]: *** [unwind-dw2.o] Error 1

mentioned in “gcc does not compile when using glib 2.2.6 (everything works fine with 2.25)

GCC 7.2.0

cd /root
mkdir build-7.2
cd    build-7.2
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-7.2.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-7.2 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-7.2 CC=gnatgcc
make
make install

build ok on Ubuntu 18.04

GCC 7.3.0

cd /root
mkdir gcc-7.3
cd    gcc-7.3
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-7.3.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-7.3 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-7.3 CC=gnatgcc
make -j 8
make install

GCC 7.4.0

GCC 7.5.0

GCC 7.5.0 is available in Ubuntu 18.04 and Ubuntu 20.04. Easier to install with apt rather than compiling itself.

apt install gcc-7
apt install g++-7
apt install gfortran-7
apt install gnat-7
apt install gccgo-7

GCC 8.1.0

cd /root
mkdir build-8.1
cd    build-8.1
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-8.1.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-8.1 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-8.1 CC=gnatgcc
make -j 8
make install

It works in Ubuntu 18.04

Fails in Ubuntu 20.04

GCC 8.2.0

#instalasi gcc 8.2
cd /root
mkdir build-8.2
cd    build-8.2
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-8.2.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-8.2 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-8.2 CC=gnatgcc
make -j 8
make install

It works in Ubuntu 18.04

Fails in Ubuntu 20.04

GCC 8.3.0

cd /root
mkdir build-8.3
cd    build-8.3
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-8.3.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-8.3 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-8.3 CC=gnatgcc
make -j 8
make install

It works in Ubuntu 18.04

Fails in Ubuntu 20.04

GCC 8.4.0

available on apt

cd /root
mkdir build-8.4
cd    build-8.4
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-8.4.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-8.4 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-8.4 CC=gnatgcc
make
make install

GCC-8.5.0

cd /root
mkdir gcc-8.5
cd    gcc-8.5
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-8.5.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-8.5 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-8.5 CC=gnatgcc
make
make install

GCC 9.1.0

Ubuntu 20.04: error

glibc make[4]: *** No rule to make target '../libbacktrace/libbacktrace.la', needed by                                            

GCC 9.2.0

cd ~
mkdir gcc-9.2
cd    gcc-9.2
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-9.2.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-9.2 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-9.2 CC=gnatgcc
make -j 8
make install

GCC 9.3.0

Successfull build in Ubuntu 20.04

Procedure:

cd
mkdir gcc-9.3
cd gcc-9.3
git clone ../gcc
cd gcc
git checkout releases/gcc-9.3.0
contrib/download_prerequisites
cd ..
mkdir build
cd build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-9.3 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-9.3 CC=gnatgcc
make
make install

GCC 9.4.0

GCC 9.5.0

GCC 10.1.0

GCC 10.2.0

GCC 10.3.0

GCC 10.4.0

GCC 11.1.0

GCC 11.2.0

GCC 11.3.0

GCC 12.1.0

cd
mkdir gcc-12.1
cd    gcc-12.1
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-12.1.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-12.1 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-12.1 CC=gnatgcc
make -j 8
make install

GCC 12.2.0

cd
mkdir build-12.2
cd    build-12.2
mkdir build
git clone ../gcc
cd gcc
git checkout releases/gcc-12.2.0
contrib/download_prerequisites
cd ../build
../gcc/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/usr/local/gcc-12.2 --enable-checking=release --enable-languages=c,c++,fortran,go,ada --disable-multilib --program-suffix=-12.2 CC=gnatgcc
make -j 8
make install

Installing Update Alternatives

Update Alternatives for GCC

update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-5 55
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 65
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 75
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 84
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 94
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 103
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 111
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-8.5/bin/gcc-8.5 85
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-9.4/bin/gcc-9.4 94 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-9.5/bin/gcc-9.5 95 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-10.1/bin/gcc-10.1  101 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-10.2/bin/gcc-10.2  102 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-10.3/bin/gcc-10.3  103 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-10.4/bin/gcc-10.4  104 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-11.1/bin/gcc-11.1  111 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-11.2/bin/gcc-11.2  112 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-11.3/bin/gcc-11.3  113 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-12.1/bin/gcc-12.1  121 
update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-12.2/bin/gcc-12.2  122 

Updater alternatives for g++

update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-5 55
update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-6 65
update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 75
update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 84
update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 94
update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 103
update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-11 111
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-8.5/bin/g++-8.5 85
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-9.4/bin/g++-9.4 94 
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-9.5/bin/g++-9.5 95 
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-10.1/bin/g++-10.1  101 
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-10.2/bin/g++-10.2  102 
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-10.3/bin/g++-10.3  103
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-10.4/bin/g++-10.4  104 
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-11.1/bin/g++-11.1  111 
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-11.2/bin/g++-11.2  112 
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-11.3/bin/g++-11.3  113 
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-12.1/bin/g++-12.1  121 
update-alternatives --install /usr/bin/g++ g++ /usr/local/gcc-12.2/bin/g++-12.2  122 

Update Alternatives for gfortran

Update alternatives for gccgo

Update alternatives for gnat (Ada compiler)

update-alternatives --install /usr/bin/gnat gnat /usr/bin/gnat-7                     75 --slave /usr/bin/gnatchop gnatchop /usr/bin/gnatchop-7 --slave /usr/bin/gnatmake gnatmake /usr/bin/gnatmake-7 --slave /usr/bin/gnatbind gnatbind /usr/bin/gnatbind-7  --slave /usr/bin/gnatlink gnatlink /usr/bin/gnatlink-7
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-8.5/bin/gnat-8.5     85 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-8.5/bin/gnatchop-8.5 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-8.5/bin/gnatmake-8.5 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-8.5/bin/gnatbind-8.5 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-8.5/bin/gnatlink-8.5
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-9.4/bin/gnat-9.4     94 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-9.4/bin/gnatchop-9.4 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-9.4/bin/gnatmake-9.4 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-9.4/bin/gnatbind-9.4 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-9.4/bin/gnatlink-9.4
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-9.5/bin/gnat-9.5     95 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-9.5/bin/gnatchop-9.5 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-9.5/bin/gnatmake-9.5 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-9.5/bin/gnatbind-9.5 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-9.5/bin/gnatlink-9.5
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-10.1/bin/gnat-10.1  101 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-10.1/bin/gnatchop-10.1 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-10.1/bin/gnatmake-10.1 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-10.1/bin/gnatbind-10.1 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-10.1/bin/gnatlink-10.1
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-10.2/bin/gnat-10.2  102 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-10.2/bin/gnatchop-10.2 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-10.2/bin/gnatmake-10.2 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-10.2/bin/gnatbind-10.2 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-10.2/bin/gnatlink-10.2 
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-10.3/bin/gnat-10.3  103 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-10.3/bin/gnatchop-10.3 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-10.3/bin/gnatmake-10.3 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-10.3/bin/gnatbind-10.3 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-10.3/bin/gnatlink-10.3 
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-10.4/bin/gnat-10.4  104 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-10.4/bin/gnatchop-10.4 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-10.4/bin/gnatmake-10.4 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-10.4/bin/gnatbind-10.4 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-10.4/bin/gnatlink-10.4 
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-11.1/bin/gnat-11.1  111 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-11.1/bin/gnatchop-11.1 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-11.1/bin/gnatmake-11.1 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-11.1/bin/gnatbind-11.1 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-11.1/bin/gnatlink-11.1 
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-11.2/bin/gnat-11.2  112 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-11.2/bin/gnatchop-11.2 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-11.2/bin/gnatmake-11.2 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-11.2/bin/gnatbind-11.2 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-11.2/bin/gnatlink-11.2 
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-11.3/bin/gnat-11.3  113 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-11.3/bin/gnatchop-11.3 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-11.3/bin/gnatmake-11.3 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-11.3/bin/gnatbind-11.3 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-11.3/bin/gnatlink-11.3 
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-12.1/bin/gnat-12.1  121 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-12.1/bin/gnatchop-12.1 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-12.1/bin/gnatmake-12.1 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-12.1/bin/gnatbind-12.1 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-12.1/bin/gnatlink-12.1 
update-alternatives --install /usr/bin/gnat gnat /usr/local/gcc-12.2/bin/gnat-12.2  122 --slave /usr/bin/gnatchop gnatchop /usr/local/gcc-12.2/bin/gnatchop-12.2 --slave /usr/bin/gnatmake gnatmake /usr/local/gcc-12.2/bin/gnatmake-12.2 --slave /usr/bin/gnatbind gnatbind /usr/local/gcc-12.2/bin/gnatbind-12.2 --slave /usr/bin/gnatlink gnatlink /usr/local/gcc-12.2/bin/gnatlink-12.2 

References

  • https://linuxize.com/post/how-to-install-gcc-on-ubuntu-20-04/
  • https://iamsorush.com/posts/build-gcc11/
  • https://github.com/gcc-mirror/gcc
  • https://commons.wikimedia.org/wiki/File:GNU_Compiler_Collection_logo.svg

Problem Compiling with Clang 16.0.0 in Ubuntu 20.04

I encountered a problem when compiling a C program with Clang compiler version 16.0.0 , in Ubuntu 20.04

Here is the error message:


clang -pipe -Wall -O3 -fomit-frame-pointer -march=native -fopenmp=libiomp5 -D_FILE_OFFSET_BITS=64 -I/usr/include/apr-1.0 binarytrees.gcc-3.c -lapr-1 -lm -o binarytrees
clang: /lib/x86_64-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by clang)
make[1]: *** [Makefile:7: binarytrees] Error 1
make[1]: Leaving directory '/home/waskita/energy-languages-internal/bench-clbg/Cclang/binarytrees'
make: *** [Makefile:2: compile] Error 2

Most likely reason: clang version 16.0.0 need GLIBCXX_3.4.30 , which is not available in Ubuntu 20.04

Solution: find newer libstdc++.so.6. In my case, I obtained it from gcc 12.1.0 in other directory.

Command to change:

cd /usr/lib/x86_64-linux-gnu
rm libstdc++.so.6
ln -s /usr/local/gcc-12.1/lib64/libstdc++.so.6.0.30 libstdc++.so.6 

Masalah debconf di Ubuntu

Permasalahan:
setiap kali menjalankan ‘apt’, muncul pesan error

debconf: Perl may be unconfigured (Can't locate Debconf/Log.pm in @INC (you may need to install the Debconf::Log module) (@INC contains: /usr/local/perl-5.36.0/lib/site_perl/5.36.0/x86_64-linux /usr/local/perl-5.36.0/lib/site_perl/5.36.0 /usr/local/perl-5.36.0/lib/5.36.0/x86_64-linux /usr/local/perl-5.36.0/lib/5.36.0) at (eval 1) line 4.

Kemungkinan tampilan kesalahan lain yang serupa

Reading package lists... Done
Building dependency tree
Reading state information... Done
npm is already the newest version (6.14.4+ds-1ubuntu2).
The following packages were automatically installed and are no longer required:
  libgnat-10 libgnat-8 libgnat-9 libgnat-util10 libgnatvsn8 libgnatvsn9
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 16 not upgraded.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
debconf: Perl may be unconfigured (Can't locate Debconf/Log.pm in @INC (you may need to install the Debconf::Log module) (@INC contains: /usr/local/perl-5.36.0/lib/site_perl/5.36.0/x86_64-linux-thread-multi /usr/local/perl-5.36.0/lib/site_perl/5.36.0 /usr/local/perl-5.36.0/lib/5.36.0/x86_64-linux-thread-multi /usr/local/perl-5.36.0/lib/5.36.0) at (eval 1) line 4.
BEGIN failed--compilation aborted at (eval 1) line 4.
) -- aborting
Sedang menata tzdata (2023c-0ubuntu0.20.04.0) ...
Can't locate Debconf/Db.pm in @INC (you may need to install the Debconf::Db module) (@INC contains: /usr/local/perl-5.36.0/lib/site_perl/5.36.0/x86_64-linux-thread-multi /usr/local/perl-5.36.0/lib/site_perl/5.36.0 /usr/local/perl-5.36.0/lib/5.36.0/x86_64-linux-thread-multi /usr/local/perl-5.36.0/lib/5.36.0) at /usr/share/debconf/frontend line 6.
BEGIN failed--compilation aborted at /usr/share/debconf/frontend line 6.
dpkg: error processing package tzdata (--configure):
 installed tzdata package post-installation script subprocess returned error exit status 2
Sedang menata pkg-config (0.29.1-0ubuntu4) ...
Can't locate Dpkg/Arch.pm in @INC (you may need to install the Dpkg::Arch module) (@INC contains: /usr/local/perl-5.36.0/lib/site_perl/5.36.0/x86_64-linux-thread-multi /usr/local/perl-5.36.0/lib/site_perl/5.36.0 /usr/local/perl-5.36.0/lib/5.36.0/x86_64-linux-thread-multi /usr/local/perl-5.36.0/lib/5.36.0) at /usr/share/pkg-config-dpkghook line 14.
BEGIN failed--compilation aborted at /usr/share/pkg-config-dpkghook line 14.
dpkg: error processing package pkg-config (--configure):
 installed pkg-config package post-installation script subprocess returned error exit status 2
Ada kesalahan saat memproses:
 tzdata
 pkg-config

Penyebab: ada masalah di file-file debconf, sehingga apt tidak dapat berfungsi baik

Solusi: install ulang perl-base dengan perintah berikut:

sudo apt reinstall perl-base

Referensi: https://unix.stackexchange.com/questions/690048/debconf-broken-cant-update-install-or-fix-any-package-anymore

Pengukuran Energi Prosesor AMD

Pengukuran penggunaan energi pada prosesor AMD dapat menggunakan software uProf
https://www.amd.com/en/developer/uprof.html

Software uProf untuk Linux: https://download.amd.com/developer/eula/uprof/amduprof_4.0-341_amd64.deb

Prosedur Instalasi:

apt install bcc
dpkg -i amduprof_4.0-341_amd64.deb

AMD Ryzen 9 5950X
AMD Ryzen 9 5950X

Optimized C compiler untuk AMD: AOCC (AMD Optimizing C/C++ and Fortran Compilers)

AOCC archive

  • https://developer.amd.com/aocc-archive-section/
  • https://www.amd.com/en/developer/aocc.html

Referensi