error: unable to execute command: Executable "flang1" doesn't exist!

[HengyueLi]

error: unable to execute command: Executable "flang1" doesn't exist!

[sscalpone]

Hi. Does flang1 exist in your install/bin directory? Did you build with cmake -DCMAKE_INSTALL_PREFIX? Can you include the output of flang -v test.f90?

[HengyueLi]

Sorry, this is the first time to use GitHub, and also I am not an expert of Linux. Thus I am not so sure if I have your questions clearly understood.

1. I mkdir GitHub at "~/GitHub" and download everything from this web into that folder. Thus I have "~/GitHub/clang","~/GitHub/flang","~/GitHub/llvm" and "~/GitHub/openmp".
2. I have followed the instructions 1-4 it the web.
3. After the problem happened, I checked the folder ~/GitHub/flang/tools/flagn1/flang1exe/, in which there are many *.c and *.h .
4. In terminal when I type "fla" and press "Tab", I can find flang but no flang1.
5. I do not know if there is any influence, but I have installed Gfortran, ifort and a stuff called pgi on my PC.
   !--------------
   (1). Do you mean that in each step in 1-4 when we cmake, we need to use the command "cmake -DCMAKE_INSTALL_PREFIX" ?
   (2). When I excute "flang -v test.f90", before the title to be gotten again, we have the iformation below:

clang version 3.9.1 (https://github.com/flang-compiler/clang.git 600c2759c7d9fe9e1c3321bedbb701403f907142) (https://github.com/llvm-mirror/llvm.git a093ef43dd592b729da46db4ff3057fef9a46023)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/6.3.1
Selected GCC installation: /usr/lib/gcc/x86_64-redhat-linux/6.3.1
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Selected multilib: .;@m64
"flang1" test.f90 -opt 0 -terse 1 -inform warn -nohpf -nostatic -y 129 2 -inform warn -x 19 0x400000 -quad -x 59 4 -x 15 2 -x 49 0x400004 -x 51 0x20 -x 57 0x4c -x 58 0x10000 -x 124 0x1000 -tp px -x 57 0xfb0000 -x 58 0x78031040 -x 47 0x08 -x 48 4608 -x 49 0x100 -stdinc /usr/local/bin/../include:/usr/local/include:/usr/local/bin/../lib/clang/3.9.1/include:/include:/usr/include -def unix -def __unix -def unix -def linux -def __linux -def linux -def __NO_MATH_INLINES -def LP64 -def __x86_64 -def x86_64 -def LONG_MAX=9223372036854775807L -def SIZE_TYPE=unsigned long int -def PTRDIFF_TYPE=long int -def __THROW= -def extension= -def amd_64__amd64 -def __k8 -def k8 -def PGLLVM -freeform -vect 48 -y 54 1 -x 70 0x40000000 -y 163 0xc0000000 -x 189 0x10 -stbfile /tmp/test-f116db.stb -modexport /tmp/test-f116db.cmod -modindex /tmp/test-f116db.cmdx -output /tmp/test-f116db.ilm

[sscalpone]

(1). Do you mean that in each step in 1-4 when we cmake, we need to use the command "cmake -DCMAKE_INSTALL_PREFIX" ? YES

(2) Do you see InstallDir is /usr/local/bin. Do you see flang1 in that directory? When you type "make install" for flang, to where are the files copied?

[HengyueLi]

(1). For example, the 1/4 step (install LLVM), when I tap "cmake -DCMAKE_INSTALL_PREFIX .." instead of "cmake ..", error feedback is :
Parse error in command line argument: -DCMAKE_INSTALL_PREFIX
Should be: VAR:type=value
CMake Error: No cmake script provided.
CMake Error: Problem processing arguments. Aborting.
(2)When I do the step 4 again, flang1 have been found. And when I run the executable file after compling, I get "error while loading shared libraries: libflang.so: cannot open shared object file: No such file or directory"

[AlexisPerry]

Regarding (1)... the command should read cmake -DCMAKE_INSTALL_PREFIX=/full/path/to/where/you/want/to/install .. . The parsing error is the result of not setting the value of CMAKE_INSTALL_PREFIX to anything.

[sscalpone]

Hi @HengyueLi -- Please reopen this issue if you still want to discuss it. Thanks!