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FortranCInterface: Make mangling detection robust to PIC Fortran

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When using a Fortran compiler that produces PIC executables by default
with a C compiler that does not produce PIC by default then the mangling
detection executable fails to link.  Explicitly enable PIC for the C
compiler just in case the Fortran compiler needs it to link.

Issue: #16405
This commit is contained in:
Brad King
2016-11-04 09:52:03 -04:00
parent 800a11dc36
commit 80e477239d
1 changed files with 3 additions and 0 deletions
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Modules/FortranCInterface/CMakeLists.txt
+3
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@@ -94,6 +94,9 @@ add_library(myfort STATIC mysub.f my_sub.f ${myfort_modules})
# Provide symbols through C but fall back to Fortran. # Provide symbols through C but fall back to Fortran.
add_library(symbols STATIC ${symbol_sources}) add_library(symbols STATIC ${symbol_sources})
target_link_libraries(symbols myfort) target_link_libraries(symbols myfort)
# In case the Fortran compiler produces PIC by default make sure
# the C compiler produces PIC even if it is not its default.
set_property(TARGET symbols PROPERTY POSITION_INDEPENDENT_CODE 1)
# Require symbols through Fortran. # Require symbols through Fortran.
add_executable(FortranCInterface main.F call_sub.f ${call_mod}) add_executable(FortranCInterface main.F call_sub.f ${call_mod})