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Allow setting, archiver, C compiler flags and linker flags from commandline #549

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Merged
merged 5 commits into from
Sep 23, 2021
Merged

Allow setting, archiver, C compiler flags and linker flags from commandline #549

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9bc3b78
Use environment variables for Fortran compiler and arguments
awvwgk Aug 28, 2021
ec88660
Allow usage of --c-flag / CFLAGS and --link-flag / LDFLAGS
awvwgk Aug 29, 2021
b7f8736
Use both plain and FPM_ prefixed variables
awvwgk Aug 30, 2021
a53eb7c
Only use FPM_ prefixed environment variables
awvwgk Aug 30, 2021
feeefaf
Merge branch 'main' into env-vars
awvwgk Sep 23, 2021
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13 changes: 9 additions & 4 deletions src/fpm.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ subroutine build_model(model, settings, package, error)

integer :: i, j
type(package_config_t) :: dependency
character(len=:), allocatable :: manifest, lib_dir, flags
character(len=:), allocatable :: manifest, lib_dir, flags, cflags, ldflags

logical :: duplicates_found = .false.
type(string_t) :: include_dir
Expand All @@ -60,8 +60,8 @@ subroutine build_model(model, settings, package, error)
call filewrite(join_path("build", ".gitignore"),["*"])
end if

call new_compiler(model%compiler, settings%compiler)
call new_archiver(model%archiver)
call new_compiler(model%compiler, settings%compiler, settings%c_compiler)
call new_archiver(model%archiver, settings%archiver)

if (settings%flag == '') then
flags = model%compiler%get_default_flags(settings%profile == "release")
Expand All @@ -73,7 +73,10 @@ subroutine build_model(model, settings, package, error)
end select
end if

write(build_name, '(z16.16)') fnv_1a(flags)
cflags = trim(settings%cflag)
ldflags = trim(settings%ldflag)

write(build_name, '(z16.16)') fnv_1a(flags//cflags//ldflags)

if (model%compiler%is_unknown()) then
write(*, '(*(a:,1x))') &
Expand Down Expand Up @@ -195,6 +198,8 @@ subroutine build_model(model, settings, package, error)
write(*,*)'<INFO> COMPILER: ',model%compiler%fc
write(*,*)'<INFO> C COMPILER: ',model%compiler%cc
write(*,*)'<INFO> COMPILER OPTIONS: ', model%fortran_compile_flags
write(*,*)'<INFO> C COMPILER OPTIONS: ', model%c_compile_flags
write(*,*)'<INFO> LINKER OPTIONS: ', model%link_flags
write(*,*)'<INFO> INCLUDE DIRECTORIES: [', string_cat(model%include_dirs,','),']'
end if

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