Ops, that's the log of the failed installation. The error it raises should be Failed to execute "ppcx64".
2019-11-25 20:26:28+01 Mac-mini installd[572]: PackageKit: ----- Begin install -----
2019-11-25 20:26:28+01 Mac-mini installd[572]: PackageKit: request=PKInstallRequest <1 packages, destination=/>
2019-11-25 20:26:28+01 Mac-mini installd[572]: PackageKit: packages=(
"<null>"
)
2019-11-25 20:26:28+01 Mac-mini installd[572]: PackageKit: Set reponsibility for install to 80755
2019-11-25 20:26:28+01 Mac-mini installd[572]: PackageKit: Extracting file:///Users/massimo/Downloads/fpc-3.0.4-macos-x86_64-laz.pkg#fpc-macos-x86-64-laz.pkg (destination=/Library/InstallerSandboxes/.PKInstallSandboxManager/8AC044D8-FC79-4AA0-98F7-47BA3A88D138.activeSandbox/Root, uid=0)
2019-11-25 20:26:29+01 Mac-mini installd[572]: PackageKit: prevent user idle system sleep
2019-11-25 20:26:29+01 Mac-mini installd[572]: PackageKit: suspending backupd
2019-11-25 20:26:29+01 Mac-mini installd[572]: PackageKit: Executing script "./preinstall" in /private/tmp/PKInstallSandbox.XMKLhI/Scripts/org.freepascal.pkg.fpc-macos-x86-64-laz.7VXwMg
2019-11-25 20:26:29+01 Mac-mini install_monitor[80759]: Temporarily excluding: /Applications, /Library, /System, /bin, /private, /sbin, /usr
2019-11-25 20:26:30+01 Mac-mini installd[572]: PackageKit: Using trashcan path /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/PKInstallSandboxTrash/8AC044D8-FC79-4AA0-98F7-47BA3A88D138.sandboxTrash for sandbox /Library/InstallerSandboxes/.PKInstallSandboxManager/8AC044D8-FC79-4AA0-98F7-47BA3A88D138.activeSandbox
2019-11-25 20:26:30+01 Mac-mini installd[572]: PackageKit: Shoving /Library/InstallerSandboxes/.PKInstallSandboxManager/8AC044D8-FC79-4AA0-98F7-47BA3A88D138.activeSandbox/Root (1 items) to /
2019-11-25 20:26:31+01 Mac-mini installd[572]: PackageKit: Executing script "./postinstall" in /private/tmp/PKInstallSandbox.XMKLhI/Scripts/org.freepascal.pkg.fpc-macos-x86-64-laz.7VXwMg
2019-11-25 20:26:31+01 Mac-mini installd[572]: ./postinstall: /tmp/PKInstallSandbox.XMKLhI/Scripts/org.freepascal.pkg.fpc-macos-x86-64-laz.7VXwMg/postinstall: line 8: /usr/local/lib/fpc/Error: ppcx64 can't be executed, error message: Failed to execute "ppcx64", error code: 127/samplecfg: No such file or directory
2019-11-25 20:26:31+01 Mac-mini installd[572]: ./postinstall: /tmp/PKInstallSandbox.XMKLhI/Scripts/org.freepascal.pkg.fpc-macos-x86-64-laz.7VXwMg/postinstall: line 13: ///usr/local/lib/fpc/Error: ppcx64 can't be executed, error message: Failed to execute "ppcx64", error code: 127/ide/text/fp.cfg.tmp: No such file or directory
2019-11-25 20:26:31+01 Mac-mini installd[572]: ./postinstall: cat: ///usr/local/lib/fpc/Error: ppcx64 can't be executed, error message: Failed to execute "ppcx64", error code: 127/ide/text/fp.cfg: No such file or directory
2019-11-25 20:26:31+01 Mac-mini installd[572]: ./postinstall: /tmp/PKInstallSandbox.XMKLhI/Scripts/org.freepascal.pkg.fpc-macos-x86-64-laz.7VXwMg/postinstall: line 14: ///usr/local/lib/fpc/Error: ppcx64 can't be executed, error message: Failed to execute "ppcx64", error code: 127/ide/text/fp.cfg: No such file or directory
2019-11-25 20:26:31+01 Mac-mini installd[572]: ./postinstall: rm: ///usr/local/lib/fpc/Error: ppcx64 can't be executed, error message: Failed to execute "ppcx64", error code: 127/ide/text/fp.cfg.tmp: No such file or directory
2019-11-25 20:26:31+01 Mac-mini install_monitor[80759]: Re-included: /Applications, /Library, /System, /bin, /private, /sbin, /usr
2019-11-25 20:26:31+01 Mac-mini installd[572]: PackageKit: releasing backupd
2019-11-25 20:26:31+01 Mac-mini installd[572]: PackageKit: allow user idle system sleep
2019-11-25 20:26:31+01 Mac-mini installd[572]: PackageKit: Cleared responsibility for install from 80755.
2019-11-25 20:26:31+01 Mac-mini installd[572]: PackageKit: Cleared permissions on Installer.app
2019-11-25 20:26:31+01 Mac-mini installd[572]: PackageKit: Install Failed: Error Domain=PKInstallErrorDomain Code=112 "Si è verificato un errore durante l'esecuzione degli script dal pacchetto “fpc-3.0.4-macos-x86_64-laz.pkg.”" UserInfo={NSFilePath=./postinstall, NSURL=file:///Users/massimo/Downloads/fpc-3.0.4-macos-x86_64-laz.pkg#fpc-macos-x86-64-laz.pkg, PKInstallPackageIdentifier=org.freepascal.pkg.fpc-macos-x86-64-laz, NSLocalizedDescription=Si è verificato un errore durante l'esecuzione degli script dal pacchetto “fpc-3.0.4-macos-x86_64-laz.pkg.”} {
NSFilePath = "./postinstall";
NSLocalizedDescription = "Si \U00e8 verificato un errore durante l'esecuzione degli script dal pacchetto \U201cfpc-3.0.4-macos-x86_64-laz.pkg.\U201d";
NSURL = "file:///Users/massimo/Downloads/fpc-3.0.4-macos-x86_64-laz.pkg#fpc-macos-x86-64-laz.pkg";
PKInstallPackageIdentifier = "org.freepascal.pkg.fpc-macos-x86-64-laz";
}
2019-11-25 20:26:31+01 Mac-mini installd[572]: PackageKit: Running idle tasks
2019-11-25 20:26:31+01 Mac-mini Installer[80755]: install:didFailWithError:Error Domain=PKInstallErrorDomain Code=112 "Si è verificato un errore durante l'esecuzione degli script dal pacchetto “fpc-3.0.4-macos-x86_64-laz.pkg.”" UserInfo={NSFilePath=./postinstall, NSURL=file:///Users/massimo/Downloads/fpc-3.0.4-macos-x86_64-laz.pkg#fpc-macos-x86-64-laz.pkg, PKInstallPackageIdentifier=org.freepascal.pkg.fpc-macos-x86-64-laz, NSLocalizedDescription=Si è verificato un errore durante l'esecuzione degli script dal pacchetto “fpc-3.0.4-macos-x86_64-laz.pkg.”}
2019-11-25 20:26:31+01 Mac-mini installd[572]: PackageKit: Removing client PKInstallDaemonClient pid=80755, uid=501 (/System/Library/CoreServices/Installer.app/Contents/MacOS/Installer)
2019-11-25 20:26:31+01 Mac-mini installd[572]: PackageKit: Done with sandbox removals
2019-11-25 20:26:32+01 Mac-mini Installer[80755]: Install failed: Installer ha incontrato un errore che ha impedito l'installazione. Contatta il produttore del software per ottenere assistenza.
Thanks!